[gnome-photos] build: Bump minimum GTK+ version to 3.22.16

[Debarshi Ray <debarshir src gnome org>]

commit b9afd3b014adb44b81097f29a0fae913f075e472
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Jun 21 00:21:24 2017 +0200

    build: Bump minimum GTK+ version to 3.22.16
    
    https://bugzilla.gnome.org/show_bug.cgi?id=783587

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a5ea333..59f5890 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=3.22.15
+GTK_MIN_VERSION=3.22.16
 
 AX_REQUIRE_DEFINED([IT_PROG_INTLTOOL])
 IT_PROG_INTLTOOL([0.50.1])