Fixed a typo in buyingstore_create.

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@14842 54d463be-8e91-2dee-dedb-b68131a5f0ec

Changelog-Trunk.txt

@@ -1,5 +1,7 @@
 Date	Added
 
+2011/05/31
+	* Fixed a typo in buyingstore_create. [Inkfish]
 2011/05/30
 	* Fixed script command 'warpguild' looking for an attached player even when it is not needed (bugreport:4941, since r2674, related r14840). [Ai4rei]
 	- Documented special map names recognized by the command.

src/map/buyingstore.c

@@ -145,7 +145,7 @@ void buyingstore_create(struct map_session_data* sd, int zenylimit, unsigned cha
 
 		if( i )
 		{// duplicate check. as the client does this too, only malicious intent should be caught here
-			ARR_FIND( 0, i, listidx, sd->buyingstore.items[i].nameid == nameid );
+			ARR_FIND( 0, i, listidx, sd->buyingstore.items[listidx].nameid == nameid );
 			if( listidx != i )
 			{// duplicate
 				ShowWarning("buyingstore_create: Found duplicate item on buying list (nameid=%hu, amount=%hu, account_id=%d, char_id=%d).\n", nameid, amount, sd->status.account_id, sd->status.char_id);