ossl.c: rb_gc_register_mark_object

* ext/openssl/ossl.c (Init_ossl_locks): use rb_gc_register_mark_object
  instead of rb_global_variable.  probably RArray may be used.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41881 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/openssl/ossl.c

@@ -491,7 +491,7 @@ static void Init_ossl_locks(void)
     }
     for (i = 0; i < num_locks; i++) {
 	ossl_locks[i] = rb_mutex_new();
-	rb_global_variable(&(ossl_locks[i]));
+	rb_gc_register_mark_object(ossl_locks[i]);
     }
 
     CRYPTO_set_id_callback((unsigned long (*)())ossl_thread_id);