More compilation warning fixes...

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@11051 54d463be-8e91-2dee-dedb-b68131a5f0ec

src/map/clif.h

@@ -14,6 +14,7 @@ struct unit_data;
 struct map_session_data;
 struct homun_data;
 struct pet_data;
+struct mob_data;
 struct npc_data;
 struct chat_data;
 struct flooritem_data;

src/map/log.h

@@ -7,6 +7,7 @@
 //#include "map.h"
 struct map_session_data;
 struct mob_data;
+struct item;
 
 #ifndef TXT_ONLY