ext/cairo/rb_cairo.c in cairo-1.17.5 vs ext/cairo/rb_cairo.c in cairo-1.17.6

@@ -44,10 +44,10 @@
                       CAIRO_VERSION_MINOR == NUM2UINT(minor) &&
                       CAIRO_VERSION_MICRO >= NUM2UINT(micro)));
 }
 
 void
-Init_cairo ()
+Init_cairo (void)
 {
   int major, minor, micro;
 
   id__add_one_arg_setter = rb_intern("__add_one_arg_setter");