[gtranslator] Include a missing header

[Jonh Wendell <jwendell src gnome org>]

commit a709322e5bd45b842569a2e8aed7d97f3e9b0464
Author: Jonh Wendell <jwendell gnome org>
Date:   Thu Feb 4 17:17:01 2010 -0300

    Include a missing header

 plugins/source-code-view/gtr-viewer.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/plugins/source-code-view/gtr-viewer.c b/plugins/source-code-view/gtr-viewer.c
index 5203189..9f2eb84 100644
--- a/plugins/source-code-view/gtr-viewer.c
+++ b/plugins/source-code-view/gtr-viewer.c
@@ -20,6 +20,7 @@
 #include <config.h>
 #endif
 
+#include "gtr-dirs.h"
 #include "gtr-utils.h"
 #include "gtr-viewer.h"
 #include "gtr-window.h"