headers: Add more Set member template in HString class

This fixes the following compiler error with gecko.

mozilla-unified/widget/windows/ToastNotification.cpp:832:14: error: no matching member function for call to 'Set'
  832 |   hr = aumid.Set(mAumid.ref().get());
      |        ~~~~~~^~~
corewrappers.h:58:25: note: candidate function not viable: no known conversion from
'typename raw_type<char16_t, int>::type' (aka 'char16ptr_t') to 'const HSTRING' (aka 'HSTRING__ *const') for 1st argument
corewrappers.h:53:25: note: candidate function not viable: requires 2 arguments, but 1 was provided

Signed-off-by: Biswapriyo Nath <nathbappai@gmail.com>
Signed-off-by: LIU Hao <lh_mouse@126.com>
1 file changed