safe-rm: 0.11 -> 0.12

pkgs/tools/system/safe-rm/default.nix

···
 
 stdenv.mkDerivation rec {
   name = "safe-rm-${version}";
-  version = "0.11";
+  version = "0.12";
 
   src = fetchgit {
     url = "https://gitorious.org/safe-rm/mainline.git";
     rev = "refs/tags/${name}";
-    sha256 = "1csnqq22pfbg9dwhv13x60jih0gn07bn5rwg2nhi0dsslzk4l496";
+    sha256 = "1n8ir96rwsg9r47lp3avl5sw548gvyh12zk5riflmmdvq907yi0s";
   };
 
   propagatedBuildInputs = [ perl coreutils ];