Enforce the use of Unicode (wide-character) strings everywhere
Enforce the use of Unicode (wide-character) strings everywhere

It is just safer that way, because we would be prone to encoding issues
otherwise.

Besides, the code seems to assume that we are using Unicode already, as
it passes a WCHAR pointer to GetEnvironmentVariable().

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

mohabouje/WinToast