Change default of shopkeeper sell prompt to 'n' (idea by aosdict)

ChangeLog

@@ -22,6 +22,7 @@
 	  - Automatically identify scrolls of scare monster during pickup when
 	    turning to dust or changing known BUC state
 	  - Don't autopickup unpaid items (from NetHack 3.6)
+	  - Change default of shopkeeper sell prompt to 'n' (idea by aosdict)
 
 	* dungeon layout:
 	  - Backyard of watery castle get trap doors to ensure player can

src/shk.c

@@ -2960,7 +2960,7 @@ xchar x, y;
 			    "it" : "them");
 		} else  qbuf[0] = '\0';		/* just to pacify lint */
 
-		switch (sell_response ? sell_response : ynaq(qbuf)) {
+		switch (sell_response ? sell_response : nyaq(qbuf)) {
 		 case 'q':  sell_response = 'n';
 		 case 'n':  if (container)
 				dropped_container(obj, shkp, FALSE);