*Fix Hunter pet focus regen (thanks MrSmite)

--HG--
branch : trunk

src/game/Pet.cpp

@@ -480,7 +480,7 @@ void Pet::setDeathState(DeathState s)                       // overwrite virtual
     }
 }
 
-void Pet::Update(int32 diff)
+void Pet::Update(uint32 diff)
 {
     if(m_removed)                                           // pet already removed, just wait in remove queue, no updates
         return;