UsewxWidgets: CFLAGS are expected to be a string here, not a list.
FindwxWidgets: Improve path detection logic when cross-compiling.
Merge topic 'wxWidgets-cflags' into next

e6fa6e60 UsewxWidgets: CFLAGS are expected to be a string here, not a list.
Merge topic 'wxWidgets-paths' into next

33286235 FindwxWidgets: Improve path detection logic when cross-compiling.