message: Fix vshow
  Summary: Only method definitions have access flags. Avoid an assert.
diff: @@ -1076,7 +1076,8 @@ std::string vshow(const DexType* t) { return humanize(show(t)); }
  std::string vshow(const DexMethod* p, bool include_annotations /*=true*/) {
  if (!p) return "";
  std::ostringstream ss;
  - ss << accessibility(p->get_access(), true)
  + ss << (p->is_def() ? accessibility(p->get_access(), true)
  + : std::string("(?)"))
  << vshow(p->get_proto()->get_rtype()) << " "
  << humanize(show(p->get_class())) << "." << show(p->get_name())
  << vshow(p->get_proto(), false);
  