[shotwell] debian: Add gnome-pkg-tools dependency

[Jens Georg <jensgeorg src gnome org>]

commit e132add61d488efcfd0017ca38f62a90730a3ff6
Author: Jens Georg <mail jensge org>
Date:   Fri Aug 17 13:37:20 2018 +0200

    debian: Add gnome-pkg-tools dependency

 dist/debian/control | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/dist/debian/control b/dist/debian/control
index 54b4f424..c961d6d7 100644
--- a/dist/debian/control
+++ b/dist/debian/control
@@ -31,7 +31,8 @@ Build-Depends: debhelper (>= 9),
  libgcr-3-dev ( >= 3.18),
  libgdata-dev,
  meson,
- ninja-build
+ ninja-build,
+ gnome-pkg-tools
 Standards-Version: 3.9.8
 Homepage: https://wiki.gnome.org/Apps/Shotwell/