staging/lustre: silence gcc build warning
staging/lustre: silence gcc build warning

got bellow build warning that is indeed a false alarm.

  CC [M]  drivers/staging/lustre/lustre/llite/llite_nfs.o
  drivers/staging/lustre/lustre/libcfs/nidstrings.c: In function ‘
  libcfs_str2net_internal’:
  drivers/staging/lustre/lustre/libcfs/nidstrings.c:432:17: warning: ‘nf’ may be
  used uninitialized in this function [-Wuninitializ
  ed]

Signed-off-by: Peng Tao <4fb2b5cc20694ed9d470f738b651303a1e636b2d@emc.com>
Signed-off-by: Andreas Dilger <fb9bfcd2d82414390637ce05921b7d9f9341a408@intel.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs