Ignore patch when getting release date from last commit.
Ignore patch when getting release date from last commit.

If the patch has non-US-ASCII characters, the Regexp matching the date blows up.
Rather than mucking with ridiculous Regexp encodings, we ignore the unneeded patch.

ngpestelos/rubinius,kachick/rubinius,kachick/rubinius,sferik/rubinius,ngpestelos/rubinius,ngpestelos/rubinius,ngpestelos/rubinius,ngpestelos/rubinius,kachick/rubinius,jsyeo/rubinius,jsyeo/rubinius,sferik/rubinius,jsyeo/rubinius,kachick/rubinius,jsyeo/rubinius,jsyeo/rubinius,sferik/rubinius,sferik/rubinius,ngpestelos/rubinius,jsyeo/rubinius,kachick/rubinius,jsyeo/rubinius,ngpestelos/rubinius,sferik/rubinius,kachick/rubinius,sferik/rubinius,kachick/rubinius,sferik/rubinius,kachick/rubinius