Minor fix for https://github.com/L2J/L2J_DataPack/commit/dfcb404235be38beda10d38644243b1a8fa9d73f,

I forgot that player variables are not stored in quest table. Sorry about that.

L2J_DataPack/dist/sql/game/updates/20141224update.sql

-UPDATE `character_quests` SET `value` = '1' WHERE `var` = '2ND_CLASS_DIAMOND_REWARD' AND `value` = 'true';
\ No newline at end of file
+UPDATE `character_variables` SET `val` = '1' WHERE `var` = '2ND_CLASS_DIAMOND_REWARD' AND `val` = 'true';
\ No newline at end of file