[almanah] Build: Change GTK required version to 3.15

[Álvaro Peña <alvaropg src gnome org>]

commit 812b196b51c7c48a8de3f1f39cd0f98b5e724b0c
Author: Álvaro Peña <alvaropg gmail com>
Date:   Sun Feb 22 01:13:35 2015 +0100

    Build: Change GTK required version to 3.15
    
    Fixed a terrible mistake, 3.16 has not been released yet.

 configure.ac |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 8b697e9..5bdc4e4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -66,11 +66,12 @@ dnl ***************************************************************************
 dnl Dependencies
 dnl ***************************************************************************
 
+GTK_MIN_VERSION=3.15
 GIO_MIN_VERSION=2.32
 
 dnl Required dependencies
 PKG_CHECK_MODULES(STANDARD, glib-2.0
-                            gtk+-3.0 >= 3.16
+                            gtk+-3.0 >= $GTK_MIN_VERSION
                             gmodule-2.0
                             gthread-2.0
                             gio-2.0 >= $GIO_MIN_VERSION