[gnome-klotski] Require GTK+ 3.19

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 17085a6525e0d15a2b3353fe8d60940c8a491b17
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Sun Feb 14 11:17:35 2016 -0600

    Require GTK+ 3.19
    
    For the new CSS

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 30e2e5c..eac1863 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,7 +19,7 @@ dnl Dependencies
 dnl ###########################################################################
 
 GLIB_REQUIRED=2.40.0
-GTK_REQUIRED=3.15.0
+GTK_REQUIRED=3.19.0
 RSVG_REQUIRED=2.32.0
 
 PKG_CHECK_MODULES(GNOME_KLOTSKI, [