*Update to Mangos 6902. Source: Mangos.

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

--HG--
branch : trunk

src/game/GuildHandler.cpp

@@ -730,7 +730,7 @@ void WorldSession::HandleGuildDelRankOpcode(WorldPacket& /*recvPacket*/)
     guild->Roster(this);
 }
 
-void WorldSession::SendGuildCommandResult(uint32 typecmd,std::string str,uint32 cmdresult)
+void WorldSession::SendGuildCommandResult(uint32 typecmd, const std::string& str,uint32 cmdresult)
 {
     WorldPacket data(SMSG_GUILD_COMMAND_RESULT, (8+str.size()+1));
     data << typecmd;