REORG: include: move http_rules.h to haproxy/http_rules.h

There was no include file. This one still includes types/proxy.h.
diff --git a/src/cfgparse.c b/src/cfgparse.c
index 621883a..119a5ed 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -42,6 +42,7 @@
 #include <haproxy/dns.h>
 #include <haproxy/errors.h>
 #include <haproxy/frontend.h>
+#include <haproxy/http_rules.h>
 #include <haproxy/mailers-t.h>
 #include <haproxy/obj_type-t.h>
 #include <haproxy/pool.h>
@@ -62,7 +63,6 @@
 #include <proto/checks.h>
 #include <proto/stats.h>
 #include <proto/filters.h>
-#include <proto/http_rules.h>
 #include <proto/lb_chash.h>
 #include <proto/lb_fas.h>
 #include <proto/lb_fwlc.h>