[gnome-photos] base-item: Add missing header

[Debarshi Ray <debarshir src gnome org>]

commit ce4947b06c8f6403654f2e465d036ca57f6866b2
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Jun 2 20:31:20 2015 +0200

    base-item: Add missing header

 src/photos-base-item.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/photos-base-item.h b/src/photos-base-item.h
index 8313b8b..456d11f 100644
--- a/src/photos-base-item.h
+++ b/src/photos-base-item.h
@@ -26,6 +26,7 @@
 #ifndef PHOTOS_BASE_ITEM_H
 #define PHOTOS_BASE_ITEM_H
 
+#include <cairo.h>
 #include <gegl.h>
 #include <gio/gio.h>
 #include <glib-object.h>