fixing coverity found defects - resource leakage

(cherry picked from commit e09f09a)
(cherry picked from commit 21083e8)

daemonize.c

@@ -213,7 +213,7 @@ void clean_write_pipeend(void)
  */
 int daemonize(char* name, int * own_pgid)
 {
-	FILE *pid_stream;
+	FILE *pid_stream = NULL;
 	pid_t pid;
 	int r, p,rc;
 	int pid_items;
@@ -336,6 +336,7 @@ int daemonize(char* name, int * own_pgid)
 				if (r<=0)  {
 					LM_ERR("unable to write pgid to file %s: %s\n",
 						pid_file, strerror(errno));
+					fclose(pid_stream);
 					goto error;
 				}
 				fclose(pid_stream);

modules/db_text/dbt_file.c

@@ -497,6 +497,8 @@ dbt_table_p dbt_load_file(const str *tbn, const str *dbn)
 clean:
 	/// ????? FILL IT IN - incomplete row/column
 	// memory leak?!?! with last incomplete row
+	if(fin)
+		fclose(fin);
 	LM_DBG("error at row=%d col=%d c=%c\n", crow+1, ccol+1, c);
 	if(dtp)
 		dbt_table_free(dtp);

modules/mi_fifo/fifo_fnc.c

@@ -102,15 +102,23 @@ FILE* mi_create_fifo(void)
 	/* make sure the read fifo will not close */
 	mi_fifo_write=open(mi_fifo_name, O_WRONLY|O_NONBLOCK, 0);
 	if (mi_fifo_write<0) {
+		fclose(fifo_stream);
+		close(mi_fifo_read);
 		LM_ERR("fifo_write did not open: %s\n", strerror(errno));
 		return 0;
 	}
 	/* set read fifo blocking mode */
 	if ((opt=fcntl(mi_fifo_read, F_GETFL))==-1){
+		fclose(fifo_stream);
+		close(mi_fifo_read);
+		close(mi_fifo_write);
 		LM_ERR("fcntl(F_GETFL) failed: %s [%d]\n", strerror(errno), errno);
 		return 0;
 	}
 	if (fcntl(mi_fifo_read, F_SETFL, opt & (~O_NONBLOCK))==-1){
+		fclose(fifo_stream);
+		close(mi_fifo_read);
+		close(mi_fifo_write);
 		LM_ERR("cntl(F_SETFL) failed: %s [%d]\n", strerror(errno), errno);
 		return 0;
 	}
@@ -132,6 +140,9 @@ FILE* mi_init_fifo_server(char *fifo_name, int fifo_mode,
 	mi_buf = pkg_malloc(MAX_MI_FIFO_BUFFER);
 	reply_fifo_s = pkg_malloc(MAX_MI_FILENAME);
 	if ( mi_buf==NULL|| reply_fifo_s==NULL) {
+		fclose(fifo_stream);
+		close(mi_fifo_read);
+		close(mi_fifo_write);
 		LM_ERR("no more private memory\n");
 		return 0;
 	}