[gtranslator] Added check in is_read_only function in order to verify if the file exists

[Pablo Sanxiao Roca <psanxiao src gnome org>]

commit 3b4e7c74e32315954a46bdc68adb06199c638afb
Author: Pablo Sanxiao <psanxiao gnome org>
Date:   Tue Sep 15 23:59:49 2009 +0200

    Added check in is_read_only function in order to verify if the file exists

 src/po.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/po.c b/src/po.c
index 5d3e504..9c3a426 100644
--- a/src/po.c
+++ b/src/po.c
@@ -299,7 +299,12 @@ is_read_only (const gchar *filename)
   GFileInfo *info;
   GFile *location;
 
+
   location = g_file_new_for_path (filename);
+  
+  if (!g_file_query_exists (location, NULL))
+    return FALSE;
+
   info = g_file_query_info (location,
 			    G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE,
 			    G_FILE_QUERY_INFO_NONE,