*Update to Mangos 6902. Source: Mangos.

*Skipped rev: rev 6893, some code about waypoint movement.

--HG--
branch : trunk

src/game/Chat.h

@@ -82,7 +82,7 @@ class ChatHandler
 
         void SendGlobalSysMessage(const char *str);
 
-        bool ExecuteCommandInTable(ChatCommand *table, const char* text, std::string fullcommand);
+        bool ExecuteCommandInTable(ChatCommand *table, const char* text, const std::string& fullcommand);
         bool ShowHelpForCommand(ChatCommand *table, const char* cmd);
         bool ShowHelpForSubCommands(ChatCommand *table, char const* cmd, char const* subcmd);