debug: trivial fixes

* ext/-test-/debug/init.c (Init_debug): use normal module.

* ext/-test-/debug/inspector.c (callback): debug_inspector interfaces
  now use long.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38973 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/-test-/debug/init.c

@@ -6,6 +6,6 @@ void
 Init_debug(void)
 {
     VALUE mBug = rb_define_module("Bug");
-    VALUE klass = rb_define_class_under(mBug, "Debug", rb_cModule);
+    VALUE klass = rb_define_module_under(mBug, "Debug");
     TEST_INIT_FUNCS(init);
 }

ext/-test-/debug/inspector.c

@@ -5,7 +5,7 @@ static VALUE
 callback(const rb_debug_inspector_t *dbg_context, void *data)
 {
     VALUE locs = rb_debug_inspector_backtrace_locations(dbg_context);
-    int i, len = RARRAY_LENINT(locs);
+    long i, len = RARRAY_LEN(locs);
     VALUE binds = rb_ary_new();
     for (i = 0; i < len; ++i) {
 	VALUE entry = rb_ary_new();