No controller crash

If you have no controller connected (or at least the DS4) when you start a game, RPCS3 crashes.
It's a bit annoying just to test intro and other stuff.

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Fatal error
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Unhandled Win32 exception 0xC0000094.
Exception address: 0000000000539803.
Instruction address: 0000000000539803.
Function address: 0000000000539370 (base+0x529370).
Module name: 'rpcs3.exe'.
Module base: 0000000000010000.
RPCS3 image base: 0000000000010000.

HOW TO REPORT ERRORS: Check the FAQ, README, other sources.
Please, don't send incorrect reports. Thanks for understanding.
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OK
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