Revert last '--' arg fix, it is incompatible with existing hacks for this.

Too many to change. Instead make the hack to watchdog as well.

clientside/tmcc/common/libtmcc.pm

@@ -406,7 +406,7 @@ sub runtmcc ($;$$%)
     if (!defined($args)) {
 	$args = "";
     }
-    my $string = "$TMCCBIN $options -- $cmd $args";
+    my $string = "$TMCCBIN $options $cmd $args";
     if ($debug) {
 	print STDERR "$string\n";
     }

clientside/tmcc/common/watchdog

 #!/usr/bin/perl -w
 #
-# Copyright (c) 2000-2012 University of Utah and the Flux Group.
+# Copyright (c) 2000-2013 University of Utah and the Flux Group.
 # 
 # {{{EMULAB-LICENSE
 # 
@@ -718,7 +718,7 @@ sub ntpdrift($)
 	logmsg("ntpdrift: updating NTP drift from $lastdrift to $drift\n");
 
 	# Server also checks the value for sanity.
-	tmcc(TMCCCMD_NTPDRIFT, $1, undef, ("timeout" => 3));
+	tmcc(TMCCCMD_NTPDRIFT, "-- $1", undef, ("timeout" => 3));
 	$lastdrift = $drift;
     }