overlay: cosmetics

Author: calbrecht

overlay.nix

@@ -94,7 +94,7 @@ self: super:
   defaultGemConfig = super.defaultGemConfig // {
     oxidized = (attrs: rec {
       tplinkPatch = (super.fetchpatch {
-        url = https://patch-diff.githubusercontent.com/raw/ytti/oxidized/pull/1443.diff;
+        url = "https://patch-diff.githubusercontent.com/raw/ytti/oxidized/pull/1443.diff";
         sha256 = "09dyf1hnxgdxfkh9l6y63qmm1ds5wgb2d52vvrwwc0s4gl0b1yad";
       });
       postInstall = ''