FindwxWidgets: set wxWidgets_FIND_STYLE to unix on MINGW
The MinGW variant has wx-config which make it easier to find.
https://github.com/msys2/MINGW-packages/issues/10963
Topic-rename: FindwxWidgets-mingw
Edited by Brad King
The MinGW variant has wx-config which make it easier to find.
https://github.com/msys2/MINGW-packages/issues/10963
Topic-rename: FindwxWidgets-mingw