Add a HSTRING->PCWSTR helper for debugging
Add a HSTRING->PCWSTR helper for debugging

Turns out that any advanced usage of toast notifications requires a bit
of playing XML games. It really helps if you can see that XML, and
that's not exactly trivial.

Let's add a helper to help with that.

Signed-off-by: Johannes Schindelin <53fb8db7833fca1e1746dd8592f61048d350f64c@gmx.de>

mohabouje/WinToast