kodi: fixup build by using older swig

The log got some lines with `swig error : Unrecognized option`
I suspect the trigger was swig update in (7b1064cba9).

pkgs/applications/video/kodi/unwrapped.nix

@@ -190,7 +190,7 @@ in stdenv.mkDerivation (finalAttrs: {
       "-DENABLE_OPTICAL=${if opticalSupport then "ON" else "OFF"}"
       "-DENABLE_VDPAU=${if vdpauSupport then "ON" else "OFF"}"
       "-DLIRC_DEVICE=/run/lirc/lircd"
-      "-DSWIG_EXECUTABLE=${buildPackages.swig}/bin/swig"
+      "-DSWIG_EXECUTABLE=${buildPackages.swig3}/bin/swig"
       "-DFLATBUFFERS_FLATC_EXECUTABLE=${buildPackages.flatbuffers}/bin/flatc"
       "-DPYTHON_EXECUTABLE=${buildPackages.python3Packages.python}/bin/python"
       "-DPYTHON_LIB_PATH=${python3Packages.python.sitePackages}"