vimPlugins.Syntastic: fix fetchgit hash

I've got no idea why the hash was wrong. I hope the hashes aren't unstable.
Reported on http://unix.stackexchange.com/questions/186519/unable-to-install-vim-plugins

Changed files
+1 -1
pkgs
misc
vim-plugins
+1 -1
pkgs/misc/vim-plugins/default.nix
···
src = fetchgit {
url = "git://github.com/scrooloose/syntastic";
rev = "47821840200cd8e14e99001caac602a37cdf8d5c";
-
sha256 = "becf0b07d25d9514ac7c5328d4e3deeab5731792887c8334571b72c3871a50ee";
+
sha256 = "01a1px7i77ajc4y8czwhkhhqif89q6yf26wpjakh3asdv7cvnidm";
};
dependencies = [];