ext/digest/kangarootwelve/ext.c in digest-kangarootwelve-0.4.6 vs ext/digest/kangarootwelve/ext.c in digest-kangarootwelve-0.4.7

@@ -595,10 +595,10 @@
 
 /*
  * Init
  */
 
-void Init_kangarootwelve()
+void Init_kangarootwelve(void)
 {
 	#define DEFINE_ID(x) _id_##x = rb_intern_const(#x);
 
 	DEFINE_ID(auto)
 	DEFINE_ID(block_length)