[klibc] nfs MNT include cleanup

[maximilian attems]

2ad780978b7c0c3e7877949f098cbd06e7c73839 broke klibc build
MNTPROC_MNT and MNTPROC_UMNT no longer defined.

usr/kinit/nfsmount/mount.c: In function ‘mount_call’:
usr/kinit/nfsmount/mount.c:179: error: ‘MNTPROC_MNT’ undeclared (first use in this function)
usr/kinit/nfsmount/mount.c:179: error: (Each undeclared identifier is reported only once
usr/kinit/nfsmount/mount.c:179: error: for each function it appears in.)
usr/kinit/nfsmount/mount.c: In function ‘mount_v2’:
usr/kinit/nfsmount/mount.c:211: error: ‘MNTPROC_MNT’ undeclared (first use in this function)
usr/kinit/nfsmount/mount.c: In function ‘umount_v2’:
usr/kinit/nfsmount/mount.c:226: error: ‘MNTPROC_UMNT’ undeclared (first use in this function)
usr/kinit/nfsmount/mount.c: In function ‘mount_v3’:
usr/kinit/nfsmount/mount.c:232: error: ‘MNTPROC_MNT’ undeclared (first use in this function)
usr/kinit/nfsmount/mount.c: In function ‘umount_v3’:
usr/kinit/nfsmount/mount.c:251: error: ‘MNTPROC_UMNT’ undeclared (first use in this function)
make[4]: *** [usr/kinit/nfsmount/mount.o] Error 1
make[3]: *** [usr/kinit/nfsmount] Error 2
make[2]: *** [all] Error 2
make[1]: *** [klibc] Error 2
make[1]: Leaving directory `/home/maks/src/klibc-latest'