Fixed a little bug in Kevin's commit (r12473)

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@12475 54d463be-8e91-2dee-dedb-b68131a5f0ec

Changelog-Trunk.txt

@@ -4,6 +4,7 @@ AS OF SVN REV. 5091, WE ARE NOW USING TRUNK.  ALL UNTESTED BUGFIXES/FEATURES GO
 IF YOU HAVE A WORKING AND TESTED BUGFIX PUT IT INTO STABLE AS WELL AS TRUNK.
 
 2008/04/04
+	* Fixed a little bug in Kevin's commit (r12473) [Toms]
 	* Bug fixes for Auth Glitch and Map server crash through script warp when
 	- changing map servers.
 	* When char receives the request to go back to char selection it sets

src/map/chrif.c

@@ -401,7 +401,7 @@ int chrif_changemapserverack(int account_id, int login_id1, int login_id2, int c
 		clif_changemapserver(node->sd, map_index, x, y, ntohl(ip), ntohs(port));
 
 	//Free session data from this map server [Kevin]
-	unit_free_pc(sd);
+	unit_free_pc(node->sd);
 
 	//Player has been saved already, remove him from memory. [Skotlex]
 	chrif_auth_delete(account_id, char_id, ST_MAPCHANGE);