[gnome-builder] build: bump gtk requirement to 3.19.7

[Sébastien Lafargue <slafargue src gnome org>]

commit 93a1b7fcef7a9e7be6300345d4ec41b2e553a352
Author: Sebastien Lafargue <slafargue gnome org>
Date:   Tue Jan 19 17:59:32 2016 +0100

    build: bump gtk requirement to 3.19.7

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9628526..2ce7ac6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -152,7 +152,7 @@ AC_SUBST(BUGREPORT_URL)
 dnl ***********************************************************************
 dnl Check for Required Packages
 dnl ***********************************************************************
-m4_define([gtk_required_version], [3.19.6])
+m4_define([gtk_required_version], [3.19.7])
 m4_define([glib_required_version], [2.47.4])
 m4_define([gtksourceview_required_version], [3.19.4])
 m4_define([ggit_required_version], [0.23.7])