* "ensureDir" -> "mkdir -p". "ensureDir" is a rather pointless

function, so obsolete it.

svn path=/nixpkgs/branches/stdenv-updates/; revision=31644

pkgs/tools/compression/bsdiff/builder.sh

@@ -2,7 +2,7 @@ source $stdenv/setup
 
 installFlags="PREFIX=$out INSTALL=install"
 
-ensureDir "$out/bin"
-ensureDir "$out/man/man1"
+mkdir -p "$out/bin"
+mkdir -p "$out/man/man1"
 
 genericBuild