Ported replace renaming to replace-literal to avoid conflict with MySQL package supplying own tool with name replace.

svn path=/nixpkgs/branches/stdenv-updates/; revision=10704

pkgs/tools/system/cron/default.nix

@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   unpackCmd = "(mkdir cron && cd cron && sh $src)";
 
   preBuild = "
-    substituteInPlace Makefile --replace '-o root' '' --replace 111 755
+    substituteInPlace Makefile --replace ' -o root' ' ' --replace 111 755
     makeFlags=\"DESTROOT=$out\"
   ";