Ensured that _Noreturn is defined in the syscall header.
Ensured that _Noreturn is defined in the syscall header.

dryc/libc11,dryproject/libc11,dryproject/libc11,ZakharBondia/libc11,dryc/libc11,ZakharBondia/libc11,ZakharBondia/libc11,dryproject/libc11,dryc/libc11