crypt32: Don't fail if buffer is NULL, just return required size.
[wine] / dlls / dinput / tests /
drwxr-xr-x   ..
-rw-r--r-- 353 Makefile.in
-rw-r--r-- 6586 device.c
-rw-r--r-- 843 dinput_test.h
-rw-r--r-- 15828 joystick.c
-rw-r--r-- 6571 keyboard.c
-rw-r--r-- 5269 mouse.c