MINOR: init: report the list of optionally available services
It's never easy to guess what services are built in. We currently have
the prometheus exporter in contrib/ which is the only extension for now.
Let's enumerate all available ones just like we do for filterr and pollers.
diff --git a/src/haproxy.c b/src/haproxy.c
index 28c72a5..6a5abcb 100644
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -412,6 +412,8 @@
putchar('\n');
list_mux_proto(stdout);
putchar('\n');
+ list_services(stdout);
+ putchar('\n');
list_filters(stdout);
putchar('\n');
}