[shotwell] Update debian/control to require GTK+ 3.12 or better

[Jim Nelson <jnelson src gnome org>]

commit 6421cba95d7541be3b1a18c821b4093e91c75f6c
Author: Jim Nelson <jim yorba org>
Date:   Tue Jan 6 12:31:34 2015 -0800

    Update debian/control to require GTK+ 3.12 or better

 debian/control |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/debian/control b/debian/control
index 5cbefa2..2b72a69 100644
--- a/debian/control
+++ b/debian/control
@@ -12,7 +12,7 @@ Build-Depends: debhelper (>= 7),
  libgphoto2-2-dev (>= 2.4.2) | libgphoto2-6-dev (>= 2.5.0),
  libgstreamer1.0-dev (>= 1.0.0),
  libgstreamer-plugins-base1.0-dev (>= 1.0.0),
- libgtk-3-dev (>= 3.6.0),
+ libgtk-3-dev (>= 3.12.2),
  libgudev-1.0-dev (>= 145),
  libjson-glib-dev (>= 0.10.0),
  libraw-dev (>= 0.13.2),