*use ASSERT macro instead of regular assert for better output.

--HG--
branch : trunk

src/server/game/Maps/MapManager.cpp

@@ -125,7 +125,7 @@ Map* MapManager::_createBaseMap(uint32 id)
         i_maps[id] = m;
     }
 
-    assert(m != NULL);
+    ASSERT(m != NULL);
     return m;
 }