Cvars returned by CV_FindVar did not work with userdataType

I could've also allocated another userdata for lib_cvRegisterVar, but that's stupid. Or maybe what I'm doing is stupid. :^)

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As far as my Lua API knowledge goes, lua_pushvalue(L, -1); is not necessary, since all that lua_pushvalue does is push a copy of the value to the top of the stack ...which the value you're pushing is already at, since -1 is the (negative) index for the top of the stack.

Ohhh. I think that's probably left over from when I didn't know setmetatable popped the metatable.

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• 35f1a4b7 - lua_pushvalue is unneeded

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mentioned in commit d4c08a84

mentioned in merge request !1495 (merged)