REORG: include: move arg.h to haproxy/arg{,-t}.h
Almost no change was needed; chunk.h was replaced with buf-t.h.
It dpeends on types/vars.h and types/protocol_buffers.h.
diff --git a/contrib/modsecurity/modsec_wrapper.c b/contrib/modsecurity/modsec_wrapper.c
index 6306b0b..8b9d998 100644
--- a/contrib/modsecurity/modsec_wrapper.c
+++ b/contrib/modsecurity/modsec_wrapper.c
@@ -22,7 +22,7 @@
#include <types/global.h>
#include <types/stream.h>
-#include <proto/arg.h>
+#include <haproxy/arg.h>
#include <proto/log.h>
#include <proto/spoe.h>