meson: use -fno-strict-aliasing for code using COM pointers on MinGW
Following MR !901 (merged).
Modules not using this flag because they are still missing from meson:
- dshow
- direct3d11
- mft
- direct3d11_filters
- decklink
- stream_out_sdi
- decklinkoutput
- glwin32
Edited by Johannes Kauffmann