Bump Standards-Version to 3.9.7 (no changes needed)

debian/control

@@ -4,7 +4,7 @@ Priority: optional
 Maintainer: Debian Ruby Extras Maintainers <pkg-ruby-extras-maintainers@lists.alioth.debian.org>
 Uploaders: Youhei SASAKI <uwabami@gfd-dennou.org>
 Build-Depends: debhelper (>= 9~), gem2deb
-Standards-Version: 3.9.5
+Standards-Version: 3.9.7
 Vcs-Git: https://anonscm.debian.org/git/pkg-ruby-extras/ruby-jekyll-gist.git
 Vcs-Browser: https://anonscm.debian.org/cgit/pkg-ruby-extras/ruby-jekyll-gist.git
 Homepage: https://github.com/jekyll/jekyll-gist