* emacsclient.c (message): Mark it as a printf-like function.

lib-src/ChangeLog

@@ -1,3 +1,7 @@
+2011-04-05  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* emacsclient.c (message): Mark it as a printf-like function.
+
 2011-04-01  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* make-docfile.c (IF_LINT): New macro, copied from emacsclient.c.

lib-src/emacsclient.c

@@ -487,6 +487,7 @@ ttyname (int fd)
 
 /* Display a normal or error message.
    On Windows, use a message box if compiled as a Windows app.  */
+static void message (int, const char *, ...) ATTRIBUTE_FORMAT_PRINTF (2, 3);
 static void
 message (int is_error, const char *format, ...)
 {