Core: Fix more warnings, add new function sLog.outStaticDebug() that replaces DEBUG_LOG

--HG--
branch : trunk

src/server/game/Groups/Group.cpp

@@ -1871,7 +1871,7 @@ void Group::BroadcastGroupUpdate(void)
         {
             pp->ForceValuesUpdateAtIndex(UNIT_FIELD_BYTES_2);
             pp->ForceValuesUpdateAtIndex(UNIT_FIELD_FACTIONTEMPLATE);
-            DEBUG_LOG("-- Forced group value update for '%s'", pp->GetName());
+            sLog.outStaticDebug("-- Forced group value update for '%s'", pp->GetName());
         }
     }
 }