[gnome-music] Post-release version bump

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit 5b8f7bf74e2374bc36a1db84a6491930c31b32ad
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Tue Aug 18 12:36:16 2015 +0200

    Post-release version bump

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index df9c8a6..8b3cccd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ(2.63)
 AC_INIT([gnome-music],
-        [3.17.90],
+        [3.17.91],
         [https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-music],
         [gnome-music],
         [https://wiki.gnome.org/Apps/Music])