Add example.conf to makefile dist.
diff --git a/Makefile.am b/Makefile.am
index cb7bf85..de45c1f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -7,7 +7,7 @@ else
JANSSON_INCLUDES=
endif
-EXTRA_DIST = example-cfg.json m4/gnulib-cache.m4 linux-usb-cgminer \
+EXTRA_DIST = example.conf m4/gnulib-cache.m4 linux-usb-cgminer \
ADL_SDK/readme.txt
SUBDIRS = lib compat ccan