[ghex] Include necessary headers, fixes bug 597683

[Andre Klapper <aklapper src gnome org>]

commit 7a85e7b081297213a16f7355fd7020e5d6ff4805
Author: Tobias Mueller <tobiasmue gnome org>
Date:   Wed Jan 27 20:44:28 2010 +0100

    Include necessary headers, fixes bug 597683

 src/hex-document-ui.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/hex-document-ui.c b/src/hex-document-ui.c
index 15a4df8..0c4436f 100644
--- a/src/hex-document-ui.c
+++ b/src/hex-document-ui.c
@@ -29,6 +29,7 @@
 #include "ghex-window.h"
 #include "gtkhex.h"
 #include "findreplace.h"
+#include "ui.h"
 
 void
 set_doc_menu_sensitivity(HexDocument *doc)