[gnome-session] configure: bump to 3.19.91

[Ray Strode <halfline src gnome org>]

commit fd7e9fda189e333686ed9e3a78ad3bc56cb864fe
Author: Ray Strode <rstrode redhat com>
Date:   Fri Mar 4 14:57:42 2016 -0500

    configure: bump to 3.19.91

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 4bec336..5e88a2a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_INIT([gnome-session],
-        [3.19.4],
+        [3.19.91],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=gnome-session])
 
 AC_CONFIG_SRCDIR([gnome-session])