React to nsswitch config file changes

There's just one nsswitch config file now (instead of a default, an
_linux and an _ldap). Make fixes in code relevant to this.

Change-Id: I92362aac7a1f5e034cea06e9299f7e574dc2fab9
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
Signed-off-by: Nagaraju Goruganti <ngorugan@in.ibm.com>
4 files changed