Core/Misc: Fix warning

By MitchesD

src/server/game/Entities/Player/Player.cpp

@@ -1997,7 +1997,7 @@ bool Player::BuildEnumData(PreparedQueryResult result, ByteBuffer* dataBuffer, B
 
     if (!ValidateAppearance(uint8(plrRace), uint8(plrClass), gender, hairStyle, hairColor, face, facialHair, skin))
     {
-        TC_LOG_ERROR("entities.player.loading", "Player %u has wrong Appearance values (Hair/Skin/Color), forcing recustomize", guid);
+        TC_LOG_ERROR("entities.player.loading", "Player %s has wrong Appearance values (Hair/Skin/Color), forcing recustomize", guid);
 
         if (!(atLoginFlags & AT_LOGIN_CUSTOMIZE))
         {