Fix Arcane Empowerment proc event

Patch by Metaphysicaldrama
closes issue 994

--HG--
branch : trunk

sql/updates/8109_world_spell_proc_event.sql

@@ -0,0 +1,6 @@
+-- Arcane Empowerment proc event
+DELETE FROM spell_proc_event WHERE entry IN (31583, 31582, 31579);
+INSERT INTO spell_proc_event (entry, SchoolMask, SpellFamilyName, SpellFamilyMask0, SpellFamilyMask1, SpellFamilyMask2, procFlags, procEx, ppmRate, CustomChance, Cooldown) VALUES
+(31583,0,3,0x20201000,0x8000,0x0,0x00010000,0x0000002,0,0,0),
+(31582,0,3,0x20201000,0x8000,0x0,0x00010000,0x0000002,0,0,0),
+(31579,0,3,0x20201000,0x8000,0x0,0x00010000,0x0000002,0,0,0);