[PATCH] dinput: Handle case where IOHIDDeviceGetValue fails

[Aric Stewart]

This prevents crashes if a controller disconnects from OS/X

Signed-off-by: Aric Stewart 
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 dlls/dinput/joystick_osx.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)