[rubygem-glib2/f17] (4 commits) ...Merge branch 'master' into f17

[Vít Ondruch]

Summary of changes:

  c1b1801... Fix build error with GLib >= 2.31.20 (bug 804319) (*)
  a90ab33... Fix UTF-{16,32} related test failure on ppc{,64} (*)
  854c927... Fix conditionals for F17 to work for RHEL 7 as well.
  e281ebd... Merge branch 'master' into f17

(*) This commit already existed in another branch; no separate mail sent