Quests: Fixes quest "Going Bearback". Needs DB support to work.

ref ticket:472

sql/updates/2011_01_30_0_world_spell_script_names.sql

@@ -0,0 +1,3 @@
+DELETE FROM `spell_script_names` WHERE `spell_id` = 54798 AND `ScriptName`='spell_q12851_going_bearback';
+INSERT INTO `spell_script_names` (`spell_id`,`ScriptName`) VALUES
+(54798,'spell_q12851_going_bearback');

sql/updates/2011_01_30_1_world_scriptnames.sql

@@ -0,0 +1 @@
+UPDATE `creature_template` SET `ScriptName`='npc_icefang' WHERE `entry`=29602;