print more information in error output

Patch from William Jon McCann

1 files changed, 1 insertions, 1 deletions

diff --git a/test-screensaver-extension.c b/test-screensaver-extension.c
index f776fd8..0af82e2 100644
--- a/test-screensaver-extension.c
+++ b/test-screensaver-extension.c
@@ -288,7 +288,7 @@ update_screensaver_toplevel_window_from_info (TestScreensaver  *screensaver,
             screensaver->toplevel_window = toplevel_window;
         }
         else
-            g_error ("could not set up screensaver toplevel ");
+          g_error ("could not set up screensaver toplevel for 0x%x", info->window);
     }
     else
         g_debug ("screensaver toplevel is already set up");