[office-runner] Fix a non-bug to quieten static analysis tools like clang

[Richard Hughes <rhughes src gnome org>]

commit dee4e5c568b712701ac1b9fd69d6db42e10854dc
Author: Richard Hughes <richard hughsie com>
Date:   Thu Sep 15 11:38:41 2011 +0100

    Fix a non-bug to quieten static analysis tools like clang

 src/office-runner.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/office-runner.c b/src/office-runner.c
index 9bb3c5a..9e1837a 100644
--- a/src/office-runner.c
+++ b/src/office-runner.c
@@ -120,7 +120,7 @@ static void
 switch_to_page (OfficeRunner *run,
 		int           page)
 {
-	const char *label;
+	const char *label = NULL;
 
 	gtk_notebook_set_current_page (GTK_NOTEBOOK (run->notebook), page);