emacs.pkgs.melpa*: Fix version number checks if number is zero

pkgs/applications/editors/emacs/elisp-packages/libgenerated.nix

@@ -72,7 +72,7 @@ in {
               lib.concatStringsSep "." (map toString
                 # Hack: Melpa archives contains versions with parse errors such as [ 4 4 -4 413 ] which should be 4.4-413
                 # This filter method is still technically wrong, but it's computationally cheap enough and tapers over the issue
-                (builtins.filter (n: n > 0) version));
+                (builtins.filter (n: n >= 0) version));
             # TODO: Broken should not result in src being null (hack to avoid eval errors)
             src = if (isNull sha256 || broken) then null else
               lib.getAttr fetcher (fetcherGenerators args sourceArgs);