Attempt to allow native line endings in Windows git checkouts.
Attempt to allow native line endings in Windows git checkouts.

Up to now, I've had to set git to preserve line endings when
building with MinGW. The problem seems to be gperf. Let's see
if this fixes it.

CastMi/iverilog,themperek/iverilog,CastMi/iverilog,themperek/iverilog,themperek/iverilog,CastMi/iverilog