Made pam_login build with gcc 4.4 (disabling its -Werror)

svn path=/nixpkgs/branches/stdenv-updates/; revision=19130

pkgs/os-specific/linux/pam_login/default.nix

@@ -8,5 +8,11 @@ stdenv.mkDerivation {
     sha256 = "1w2hpwjhmwjhf8rg789xpl0hibahqlr3ccivfy3m4kgrm5gf04kv";
   };
 
+  # To overcome a gcc 4.4 warning:
+  # "#ident is a deprecated GCC extension"
+  patchPhase = ''
+    sed -i s/-Werror// configure
+  '';
+
   buildInputs = [pam];
 }