Portability fixes for macos/clang
- feCodeGen.pl: workaround for case-insensitive filesystem (fixes #385 (closed))
- Biquad.c, Demodulation.c: conditionally include x86 header
- fe.h: remove unused header inclusion
- random_bytes.h: macos support for ligo_get_random_bytes
- inlineMath_stdlib.h: macos support; conditional denormal number treatment
Edited by Christopher Wipf