staging: lustre: remove assignment in if condition

This patch removes the assignment in if conditions to do away with the
checkpatch warning :'do not use assignment in if condition'.

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/lustre/lustre/ptlrpc/gss/gss_krb5_mech.c
Simple merge