Fixed @go \n problem.

Special Thanks to Yommy, Fatalis.
http://hercules.ws/board/topic/570-problem-on-go-text/

Signed-off-by: shennetsind <ind@henn.et>

src/map/atcommand.c

@@ -876,9 +876,8 @@ ACMD(option)
 		// notify the user of the requirement to enter an option
 		clif->message(fd, msg_txt(921)); // Please enter at least one option.
 
-		if( text )
-		{// send the help text associated with this command
-			clif->message( fd, text );
+		if( text ) {// send the help text associated with this command
+			clif->messageln( fd, text );
 		}
 
 		return false;
@@ -969,7 +968,7 @@ ACMD(jobchange)
 		if (!found) {
 			text = atcommand_help_string(info);
             if (text)
-                clif->message(fd, text);
+                clif->messageln(fd, text);
 			return false;
 		}
 	}
@@ -992,7 +991,7 @@ ACMD(jobchange)
 	} else {
 		text = atcommand_help_string(info);
         if (text)
-            clif->message(fd, text);
+            clif->messageln(fd, text);
 		return false;
 	}
 
@@ -1767,9 +1766,8 @@ ACMD(go)
 
 		clif->message(fd, msg_txt(38)); // Invalid location number, or name.
 
-		if( text )
-		{// send the text to the client
-			clif->message( fd, text );
+		if( text ) {// send the text to the client
+			clif->messageln( fd, text );
 		}
 
 		return false;
@@ -3122,9 +3120,8 @@ ACMD(questskill)
 		// send the error message as always
 		clif->message(fd, msg_txt(1027)); // Please enter a quest skill number.
 
-		if( text )
-		{// send the skill ID list associated with this command
-			clif->message( fd, text );
+		if( text ) {// send the skill ID list associated with this command
+			clif->messageln( fd, text );
 		}
 
 		return false;
@@ -3166,9 +3163,8 @@ ACMD(lostskill)
 		// send the error message as always
 		clif->message(fd, msg_txt(1027)); // Please enter a quest skill number.
 
-		if( text )
-		{// send the skill ID list associated with this command
-			clif->message( fd, text );
+		if( text ) {// send the skill ID list associated with this command
+			clif->messageln( fd, text );
 		}
 
 		return false;

src/map/clif.c

@@ -5657,6 +5657,39 @@ void clif_displaymessage(const int fd, const char* mes) {
 		}
 	}
 }
+void clif_displaymessage2(const int fd, const char* mes) {
+	// invalid pointer?
+	nullpo_retv(mes);
+
+	//Scrapped, as these are shared by disconnected players =X [Skotlex]
+	if (fd == 0)
+		;
+	else {
+		// Limit message to 255+1 characters (otherwise it causes a buffer overflow in the client)
+		char *message, *line;
+
+		message = aStrdup(mes);
+		line = strtok(message, "\n");
+		while(line != NULL) {
+			// Limit message to 255+1 characters (otherwise it causes a buffer overflow in the client)
+			int len = strnlen(line, 255);
+
+			if (len > 0) { // don't send a void message (it's not displaying on the client chat). @help can send void line.
+				if( fd == -2 ) {
+					ShowInfo("HCP: %s\n",line);
+				} else {
+					WFIFOHEAD(fd, 5 + len);
+					WFIFOW(fd,0) = 0x8e;
+					WFIFOW(fd,2) = 5 + len; // 4 + len + NULL teminate
+					safestrncpy((char *)WFIFOP(fd,4), line, len + 1);
+					WFIFOSET(fd, 5 + len);
+				}
+			}
+			line = strtok(NULL, "\n");
+		}
+		aFree(message);		
+	}
+}
 
 /// Send broadcast message in yellow or blue without font formatting (ZC_BROADCAST).
 /// 009a <packet len>.W <message>.?B
@@ -9838,11 +9871,9 @@ void clif_parse_GlobalMessage(int fd, struct map_session_data* sd)
 	} else if ( sd->fontcolor && !sd->chatID ) {
 		char mout[200];
 		unsigned char mylen = 1;
-		ShowDebug("Hi1:%d\n",sd->disguise);
 
 		if( sd->disguise == -1 ) {
 			pc_disguise(sd,sd->status.class_);
-			ShowDebug("Hi2:%d\n",sd->disguise);
 			sd->fontcolor_tid = add_timer(gettick()+5000, clif->undisguise_timer, sd->bl.id, 0);
 		} else if ( sd->disguise == sd->status.class_ && sd->fontcolor_tid != INVALID_TIMER ) {
 			const struct TimerData *timer;
@@ -17369,6 +17400,7 @@ void clif_defaults(void) {
 	clif->msgtable = clif_msgtable;
 	clif->msgtable_num = clif_msgtable_num;
 	clif->message = clif_displaymessage;
+	clif->messageln = clif_displaymessage2;
 	clif->colormes = clif_colormes;
 	clif->process_message = clif_process_message;
 	clif->wisexin = clif_wisexin;

src/map/clif.h

@@ -677,6 +677,7 @@ struct clif_interface {
 	void (*msgtable) (int fd, int line);
 	void (*msgtable_num) (int fd, int line, int num);
 	void (*message) (const int fd, const char* mes);
+	void (*messageln) (const int fd, const char* mes);
 	int (*colormes) (int fd, enum clif_colors color, const char* msg);
 	bool (*process_message) (struct map_session_data* sd, int format, char** name_, int* namelen_, char** message_, int* messagelen_);
 	void (*wisexin) (struct map_session_data *sd,int type,int flag);