Bugfixes: Removed retail API calls, ran linting script and static analysis.

ElvUI/Modules/Skins/Blizzard/Misc.lua

@@ -27,7 +27,9 @@ local function LoadSkin()
 	}
 
 	for i = 1, getn(skins) do
-		E:SetTemplate(_G[skins[i]], "Transparent")
+		if _G[skins[i]] then
+			E:SetTemplate(_G[skins[i]], "Transparent")
+		end
 	end
 
 	-- ChatMenus
@@ -188,7 +190,7 @@ local function LoadSkin()
 
 	for i = 1, getn(BlizzardHeader) do
 		local title = _G[BlizzardHeader[i].."Header"]
-		if title then
+		if title and title.SetTexture then
 			title:SetTexture("")
 			title:ClearAllPoints()
 			if title == _G["GameMenuFrameHeader"] then