tests/test-hup

--- a/tests/test-hup	Sun Oct 12 19:11:56 2008 +0200
+++ b/tests/test-hup	Sun Oct 12 19:11:59 2008 +0200
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+"$TESTDIR/hghave" fifo || exit 80
+
 hg init
 mkfifo p