Eventscript functions: add optional version to nfs_check_rpc_service()

This can be optional because the 1st item of each action-triple is a
test comparison that starts with '-'.

Signed-off-by: Martin Schwenke <martin@meltin.net>

(This used to be ctdb commit 1957d53b78f101cd0cd37d9705a225deef5174a2)

ctdb/config/functions

@@ -211,14 +211,20 @@ nfs_check_rpc_service ()
 {
     _prog_name="$1" ; shift
 
-    _version=1
+    _v=""
+    case "$1" in
+	-*) : ;;
+	*) _v="$1" ; shift ;;
+    esac
+
+    _version=${_v:-1}
     _rpc_prog="$_prog_name"
     _restart=""
     _opts=""
     case "$_prog_name" in
 	knfsd)
 	    _rpc_prog=nfs
-	    _version=3
+	    _version=${_v:-3}
 	    _restart="echo 'Trying to restart NFS service'"
 	    _restart="${_restart}; startstop_nfs restart"
 	    ;;
@@ -230,7 +236,7 @@ nfs_check_rpc_service ()
 	    ;;
 	lockd)
 	    _rpc_prog=nlockmgr
-	    _version=4
+	    _version=${_v:-4}
 	    _restart="echo 'Trying to restart lock manager service'"
 	    _restart="${_restart}; startstop_nfslock restart"
 	    ;;