libc: fix build after r356830

Apparently building with 'cd lib/libc; make all install' is not the same
as buildworld.

Reported by:	Michael Butler
This commit is contained in:
mjg 2020-01-17 15:45:39 +00:00
parent b9e575596e
commit 9cf8f99447

@ -279,7 +279,7 @@ is_unionstack(int fd)
struct statfs sfb;
int unionstack;
unionstack = _fcntl(fd, F_ISUNIONSTACK);
unionstack = _fcntl(fd, F_ISUNIONSTACK, 0);
if (unionstack != -1)
return (unionstack);