Minor bug fix to slice unlocking.

protogeni/scripts/expire_daemon.in

 #!/usr/bin/perl -w
 #
-# Copyright (c) 2008-2018 University of Utah and the Flux Group.
+# Copyright (c) 2008-2019 University of Utah and the Flux Group.
 # 
 # {{{GENIPUBLIC-LICENSE
 # 
@@ -469,6 +469,7 @@ sub ExpireSlices()
 	}
 	if ($experiment->state() eq EXPTSTATE_PANICED()) {
 	    print STDERR "Refusing to terminate a paniced experiment\n";
+	    $slice->UnLock();
 	    goto skip;
 	}