parse.y: fix rb_str_symname_type call

* parse.y (rb_str_dynamic_intern): fix the second argument to
  rb_str_symname_type, which is a bit mask but not a boolean.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45434 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

parse.y

@@ -10688,7 +10688,7 @@ rb_str_dynamic_intern(VALUE str)
 	}
     }
 
-    type = rb_str_symname_type(str, TRUE);
+    type = rb_str_symname_type(str, IDSET_ATTRSET_FOR_INTERN);
     str = rb_fstring(str);
     dsym = rb_newobj_of(rb_cSymbol, T_SYMBOL);
     OBJ_FREEZE(dsym);