REORG: include: move protocol.h to haproxy/protocol{,-t}.h
The protocol.h files are pretty low in the dependency and (sadly) used
by some files from common/. Almost nothing was changed except lifting a
few comments.
diff --git a/src/proto_sockpair.c b/src/proto_sockpair.c
index 446d8de..dfba155 100644
--- a/src/proto_sockpair.c
+++ b/src/proto_sockpair.c
@@ -40,7 +40,7 @@
#include <haproxy/freq_ctr.h>
#include <proto/listener.h>
#include <proto/log.h>
-#include <proto/protocol.h>
+#include <haproxy/protocol.h>
#include <proto/task.h>
static void sockpair_add_listener(struct listener *listener, int port);