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/http_rules.c b/src/http_rules.c
index 758e619..2ec91d9 100644
--- a/src/http_rules.c
+++ b/src/http_rules.c
@@ -21,6 +21,7 @@
 #include <common/cfgparse.h>
 #include <haproxy/chunk.h>
 #include <haproxy/http.h>
+#include <haproxy/http_rules.h>
 #include <haproxy/pool.h>
 #include <haproxy/tools.h>
 #include <haproxy/version.h>
@@ -30,7 +31,6 @@
 
 #include <proto/acl.h>
 #include <haproxy/arg.h>
-#include <proto/http_rules.h>
 #include <proto/http_ana.h>
 #include <proto/sample.h>