[PATCH 3 of 3 RESEND] chg: use in-tree hg executable to start server for testing

[Yuya Nishihara]

# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1451792732 -32400
#      Sun Jan 03 12:45:32 2016 +0900
# Node ID 625d742eb6cffc8994dece39242d4036dd91a0e1
# Parent  e2f262137a676261b9f300a2efd690a5aff0a7cc
chg: use in-tree hg executable to start server for testing

diff --git a/contrib/chg/Makefile b/contrib/chg/Makefile
--- a/contrib/chg/Makefile
+++ b/contrib/chg/Makefile
@@ -1,4 +1,4 @@
-HG = hg
+HG = $(CURDIR)/../../hg
 
 TARGET = chg
 SRCS = chg.c hgclient.c util.c