wayland: Annotate the log_handler function

The log_handler() internal function is a candidate for the GCC format
attribute for printf-like functions.

diff --git a/gdk/wayland/gdkdisplay-wayland.c b/gdk/wayland/gdkdisplay-wayland.c
index 47805467e72126c3a577a9ef39c7eb772d90bb53..bb1b78a6b4a046aadceb29d53fed570835a4b3cc 100644 (file)
--- a/gdk/wayland/gdkdisplay-wayland.c
+++ b/gdk/wayland/gdkdisplay-wayland.c
@@ -481,6 +481,7 @@ static const struct wl_registry_listener registry_listener = {
     gdk_registry_handle_global_remove
 };
 
+G_GNUC_PRINTF (1, 0)
 static void
 log_handler (const char *format, va_list args)
 {