XDG_DATA_DIRS to gtksourceview; otherwise, gtksourceview can't find
its syntax highlighting files.
* Updated gtk2hs to the latest version from Darcs. Otherwise Leksah
crashes on GHC 6.10.2.
svn path=/nixpkgs/trunk/; revision=15162
gtksourceview than the one provided in gnome/default.nix. The
stdenv branch already has this.
* Updated gtk2hs to 0.10.1.
svn path=/nixpkgs/trunk/; revision=15154