Fix corrupted strength

git-svn-id: http://svn.net-core.org/repos/t-engine4@5359 51575b47-30f0-44d4-a5cc-537603b46e54

game/modules/tome/data/talents/corruptions/reaving-combat.lua

@@ -24,7 +24,9 @@ newTalent{
 	points = 5,
 	require = str_corrs_req1,
 	on_learn = function(self, t)
-		self:attr("allow_any_dual_weapons", 1)
+		if self:getTalentLevelRaw(t) == 1 then
+			self:attr("allow_any_dual_weapons", 1)
+		end
 	end,
 	on_unlearn = function(self, t)
 		if not self:knowTalent(t) then