MNT_DETACH: do not redefine system macro

In some systems, compiler complains with
../../include/fs.h:24:1: warning: "MNT_DETACH" redefined
/usr/include/sys/mount.h:122:1: warning: this is the location of the previous definition
There are no need to redefine MNT_DETACH in such cases.

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
1 file changed