add nobody group for rpc.idmapd

Add nobody group due to rpc.idmapd will fail to startup without nobody group

Signed-off-by: Dave Young <dyoung@redhat.com>

modules.d/95nfs/module-setup.sh

@@ -69,6 +69,7 @@ install() {
     egrep '^rpc:' /etc/passwd >> "$initdir/etc/passwd"
     egrep '^rpcuser:' /etc/passwd >> "$initdir/etc/passwd"
     #type -P nologin >/dev/null && dracut_install nologin
+    egrep '^nobody:' /etc/group >> "$initdir/etc/group"
     egrep '^rpc:' /etc/group >> "$initdir/etc/group"
 
     # rpc user needs to be able to write to this directory to save the warmstart