Core/Spells: fixed Glyph of Frostfire

sql/updates/world/custom/custom_2019_05_13_02_world.sql

@@ -0,0 +1,3 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName`='spell_mage_frostfire_bolt';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(44614, 'spell_mage_frostfire_bolt');