[gmime] Created tag 2.1.17

[Jeffrey Stedfast <fejj src gnome org>]

The unsigned tag '2.1.17' was created.

Tagger: Jeffrey Stedfast <jestedfa microsoft com>
Date: Tue Feb 7 12:01:37 2017 -0500

    Tagged for 2.1.17

Changes since the last tag '2.1.16':

Jeffrey Stedfast (7):
      Updated version
      Only set the value if the value is non-NULL. Thanks to Peter Bloomfield
      Reworked the splitting logic to try and split on whole-lines.
      If we weren't able to find the end of the header, save it to our tmp buff
      If we weren't able to find the end of the header, save it to our tmp buff
      For added convenience, if the requested header is a Content-* header and a
      Updated version