[gtkmm] Fix the build.

[Murray Cumming <murrayc src gnome org>]

commit d3207e2a001580584194c7b4294e4b0361391a73
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Nov 2 10:52:32 2010 +0100

    Fix the build.
    
    	* gdk/src/dragcontext.hg: Include cairomm/surface.h.

 ChangeLog              |    6 ++++++
 gdk/src/dragcontext.hg |    3 ++-
 2 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index bc59694..0b53574 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2010-11-02  Murray Cumming  <murrayc murrayc com>
 
+	Fix the build.
+
+	* gdk/src/dragcontext.hg: Include cairomm/surface.h.
+
+2010-11-02  Murray Cumming  <murrayc murrayc com>
+
 	Wrapped new API.
 
 	* gdk/src/gdk_methods.defs: Regenerated with h2defs.py.
diff --git a/gdk/src/dragcontext.hg b/gdk/src/dragcontext.hg
index bc26150..ca6efee 100644
--- a/gdk/src/dragcontext.hg
+++ b/gdk/src/dragcontext.hg
@@ -23,8 +23,9 @@
 #include <gdkmm/pixbuf.h>
 #include <gdkmm/device.h>
 #include <glibmm/object.h>
-#include <gdk/gdk.h>
 #include <glibmm/listhandle.h>
+#include <cairomm/surface.h>
+#include <gdk/gdk.h>
 _DEFS(gdkmm,gdk)
 _PINCLUDE(glibmm/private/object_p.h)