[evolution-rss] check file exists before validation

[Lucian Langa <lucilanga src gnome org>]

commit df050563096bac5377c97ce1f67260edf28ae4c9
Author: Lucian Langa <lucilanga gnome org>
Date:   Sat Aug 14 20:55:56 2010 +0300

    check file exists before validation

 src/rss-image.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/rss-image.c b/src/rss-image.c
index b64308b..f7ad35b 100644
--- a/src/rss-image.c
+++ b/src/rss-image.c
@@ -485,6 +485,8 @@ file_is_image(gchar *image, gboolean cleanup)
 	gboolean result = TRUE;
 
 	g_return_val_if_fail(image != NULL, FALSE);
+	g_return_val_if_fail(
+		g_file_test(image, G_FILE_TEST_EXISTS) == TRUE, FALSE);
 
 	/*need to get mime type via file contents or else mime type is
 	 * bound to be wrong, especially on files fetched from the web