[gnome-photos] build: Bump minimum GTK+ version to 3.22.10

[Debarshi Ray <debarshir src gnome org>]

commit ec8788ae087dce193d16c8dbcc91da2018f796e0
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Mar 15 08:43:11 2017 +0100

    build: Bump minimum GTK+ version to 3.22.10
    
    We need the new theme for letterboxed GdMainIconBoxChildren, and
    selection mode GtkCheckButtons in GdMainIconBox.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 079c438..8f5be87 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,7 +43,7 @@ GFBGRAPH_MIN_VERSION=0.2.1
 GLIB_MIN_VERSION=2.44.0
 GOA_MIN_VERSION=3.8.0
 GRILO_MIN_VERSION=0.3.0
-GTK_MIN_VERSION=3.22.6
+GTK_MIN_VERSION=3.22.10
 
 AX_REQUIRE_DEFINED([IT_PROG_INTLTOOL])
 IT_PROG_INTLTOOL([0.50.1])