[xdg-desktop-portal-gnome] screencast: Fix variant type check

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit df8ddc91a6ab1254b22de8f092f07ce9aca4ea3c
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Nov 25 10:27:07 2021 -0300

    screencast: Fix variant type check
    
    The restore data type is not the (suv) variant, but rather the
    GNOME-specific variant format.

 src/screencast.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/screencast.c b/src/screencast.c
index ecfa866..3918f31 100644
--- a/src/screencast.c
+++ b/src/screencast.c
@@ -719,7 +719,7 @@ handle_select_sources (XdpImplScreenCast     *object,
 
   if (g_variant_lookup (arg_options, "restore_data", "(suv)", &provider, &version, &restore_data))
     {
-      if (!g_variant_check_format_string (restore_data, "(suv)", FALSE))
+      if (!g_variant_check_format_string (restore_data, RESTORE_VARIANT_TYPE, FALSE))
         {
           g_warning ("Cannot parse restore data, ignoring");
           goto out;