Modify the cfmakeraw() wrapper to handle its return type on AIX #1495
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On AIX, the signature of
cfmakeraw()differs in that its return type isintinstead ofvoid. When the argumenttermios_pis NULL, it returns -1. Otherwise, it returns 0.We believe it is safe to ignore the return value and have modified the
cfmakeraw()wrapper to account for this difference.