fix shutdown crash on Windows #9909

Job	Run time
build (ubuntu-latest, test, clang, clang++, ./b.sh --headless --unittest, clang-normal)	2m 58s
build-uwp	8m 16s
build-windows (x64)	9m 10s
build (ubuntu-latest, gcc, g++, ./b.sh --headless --unittest, gcc-normal)	2m 56s
build-windows (ARM64)	9m 43s
build (ubuntu-latest, android, clang, clang++, cd android && ./ab.sh -j2 APP_ABI=arm64-v8a UNITTE...	9m 18s
build (ubuntu-latest, android, clang, clang++, cd android && ./ab.sh -j2 APP_ABI=armeabi-v7a UNIT...	7m 9s
build (ubuntu-latest, android, clang, clang++, cd android && ./ab.sh -j2 APP_ABI=x86_64 UNITTEST=...	9m 35s
build (ubuntu-latest, android, clang, clang++, cd android && ./ab.sh -j2 APP_ABI=arm64-v8a OPENXR...	8m 54s
build (ubuntu-latest, android, clang, clang++, ./b.sh --libretro_android ppsspp_libretro, android...	5m 20s
build (ubuntu-latest, qt, gcc, g++, ./b.sh --qt, qt)	3m 23s
build (ubuntu-latest, libretro, gcc, g++, make -C libretro -f Makefile -j2, gcc-libretro)	2m 34s
build (ubuntu-latest, libretro, clang, clang++, make -C libretro -f Makefile -j2, clang-libretro)	2m 49s
build (macos-latest, test, clang, clang++, ./b.sh --headless --unittest --fat --no-png --no-sdl2,...	8m 38s
build (macos-latest, ios, clang, clang++, ./b.sh --ios, ios)	3m 0s
test (ubuntu-latest)	50s
test (macos-latest)	28s
test-windows	41s
	1h 35m 42s

Provide feedback