let compiler check printf-like arguments

1 files changed, 2 insertions, 1 deletions

diff --git a/sciteco.h b/sciteco.h
index 49963c4..f0425d6 100644
--- a/sciteco.h
+++ b/sciteco.h
@@ -13,7 +13,8 @@
 extern gchar *cmdline;
 extern gint macro_pc;
 
-void message_display(GtkMessageType type, const gchar *fmt, ...);
+void message_display(GtkMessageType type,
+		     const gchar *fmt, ...) G_GNUC_PRINTF(2, 3);
 
 void cmdline_keypress(gchar key);
 void cmdline_display(const gchar *cmdline);