dinput: Added a check for NULL callback in EnumDevices.

[Vitaliy Margolen]

On 06/03/2011 04:19 PM, Lucas Fialho Zawacki wrote:
> In the absence of this check apps passing a NULL pointer as callback to
> EnumDevices segfault under Wine.

Do you have an example of such application? And the bug in bugzilla?

Vitaliy.