Fix index out of range error when selinux on disable mode
Fix index out of range error when selinux on disable mode

Currently saltwrapper uses sestatus to get selinux status
and raise index out of range error in an environment where
selinux is disabled.

Change-Id: Iaaa9503cd91ee32c7b6c8bceaa65ba54409b12dc
Signed-off-by: Timothy Asir <9ae03c403dd2d82025ba1aad4fc83885ac926861@redhat.com>
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1339603

skyrings/skyring,skyrings/skyring,skyrings/skyring,skyrings/skyring