Add PATH_MAX for FreeBSDlike, defined in /usr/src/sys/sys/syslimits.h
Add PATH_MAX for FreeBSDlike, defined in /usr/src/sys/sys/syslimits.h

diwic/libc,superriva/libc,diwic/libc,superriva/libc,anatol/libc,mneumann/libc,cybergeek94/libc,superriva/libc,rust-lang-nursery/libc,philippkeller/libc,rust-lang/libc,mneumann/libc,rust-lang/libc,cactorium/libc,anatol/libc,philippkeller/libc,zethra/libc,cactorium/libc,philippkeller/libc,anatol/libc,cybergeek94/libc,rust-lang/libc,mneumann/libc,zethra/libc,cybergeek94/libc,rust-lang-nursery/libc,diwic/libc,cactorium/libc,diwic/libc,zethra/libc,rust-lang-nursery/libc