[nautilus] places-sidebar: guard for NULL supported VFS schemes array

[Cosimo Cecchi <cosimoc src gnome org>]

commit c686068f5129e8648f1259bb115fcfa61bac974d
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Aug 1 13:23:47 2012 +0200

    places-sidebar: guard for NULL supported VFS schemes array
    
    GVfs might not be installed, or not support any protocol.

 src/nautilus-places-sidebar.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/nautilus-places-sidebar.c b/src/nautilus-places-sidebar.c
index 1298137..9fea7a9 100644
--- a/src/nautilus-places-sidebar.c
+++ b/src/nautilus-places-sidebar.c
@@ -432,6 +432,10 @@ recent_is_supported (void)
 	int i;
 
 	supported = g_vfs_get_supported_uri_schemes (g_vfs_get_default ());
+	if (!supported) {
+		return FALSE;
+	}
+
 	for (i = 0; supported[i] != NULL; i++) {
 		if (strcmp ("recent", supported[i]) == 0) {
 			return TRUE;