[gedit] Set NULL file window title to empty string for Tiger

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 9e738ec6a84d1209b50fe1f0c017a161f9541fc9
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Mon Jan 30 16:33:55 2012 +0100

    Set NULL file window title to empty string for Tiger

 gedit/gedit-app-osx.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gedit/gedit-app-osx.c b/gedit/gedit-app-osx.c
index bf434b0..f8963ce 100644
--- a/gedit/gedit-app-osx.c
+++ b/gedit/gedit-app-osx.c
@@ -119,7 +119,7 @@ gedit_app_osx_set_window_title_impl (GeditApp    *app,
 #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
 			[native setRepresentedURL:nil];
 #else
-			[native setRepresentedFilename:nil];
+			[native setRepresentedFilename:@""];
 #endif
 		}
 		else
@@ -156,7 +156,7 @@ gedit_app_osx_set_window_title_impl (GeditApp    *app,
 #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
 		[native setRepresentedURL:nil];
 #else
-		[native setRepresentedFilename:nil];
+		[native setRepresentedFilename:@""];
 #endif
 		[native setDocumentEdited:false];
 	}