Fixed version string. Again.

diff --git a/core.lua b/core.lua
index 9e92d4d..8bd5bd6 100644
--- a/core.lua
+++ b/core.lua
@@ -496,7 +496,7 @@ function addon:OnInitialize()
 	alpha_version = true
 	-- @end-alpha@

-	version = debug and "Devel" or (alpha and version .. "-Alpha") or version
+	version = debug_version and "Devel" or (alpha_version and version .. "-Alpha") or version

 	self.version = version