gti: 2015-05-21 -> 2016-12-07

No need to replace gcc with cc thanks to
https://github.com/rwos/gti/pull/26

pkgs/tools/misc/gti/default.nix

@@ -2,19 +2,15 @@
 
 stdenv.mkDerivation rec {
   name = "gti-${version}";
-  version = "2015-05-21";
+  version = "2016-12-07";
 
   src = fetchFromGitHub {
     owner = "rwos";
     repo = "gti";
-    rev = "edaac795b0b0ff01f2347789f96c740c764bf376";
-    sha256 = "1wki7d61kcmv9s3xayky9cz84qa773x3y1z88y768hq8ifwadcbn";
+    rev = "d78001bd5b4b6f6ad853b4ec810e9a1ecde1ee32";
+    sha256 = "0449h9m16x542fy6gmhqqkvkg7z7brxw5vmb85nkk1gdlr9pl1mr";
   };
 
-  prePatch = ''
-    substituteInPlace Makefile --replace gcc cc
-  '';
-
   installPhase = ''
     mkdir -p $out/bin $out/share/man/man6
     cp gti $out/bin