Fix issue with glpyh of obliterate not having a class flag so it would not display. (Ticket 398)

diff --git a/RecipeDB/ARL-Inscription.lua b/RecipeDB/ARL-Inscription.lua
index 5a61eee..f77d20d 100644
--- a/RecipeDB/ARL-Inscription.lua
+++ b/RecipeDB/ARL-Inscription.lua
@@ -1157,7 +1157,7 @@ function addon:InitInscription(RecipeDB)
 	-- Glyph of Obliterate -- 57220
 	recipecount = recipecount + 1
 	self:addTradeSkill(RecipeDB,57220,375,43547,1,45357)
-	self:addTradeFlags(RecipeDB,57220,1,2,12,36,41)
+	self:addTradeFlags(RecipeDB,57220,1,2,12,21,36,41)
 	self:addTradeAcquire(RecipeDB,57220,8,15)

 	-- Glyph of Plague Strike -- 57221