[eog] Post-release version bump

[Felix Riemann <friemann src gnome org>]

commit cf992bd4204f2e28cf0663ed870f94231bcecf1a
Author: Felix Riemann <friemann gnome org>
Date:   Mon Feb 4 21:00:22 2019 +0100

    Post-release version bump

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index aa5b0650..d720c578 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project(
   'eog', 'c',
-  version: '3.31.90',
+  version: '3.31.91',
   license: 'GPL2+',
   default_options: 'buildtype=debugoptimized',
   meson_version: '>= 0.44.0'