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/protocol.c b/src/protocol.c
index 4909ee1..defb197 100644
--- a/src/protocol.c
+++ b/src/protocol.c
@@ -18,7 +18,7 @@
#include <haproxy/list.h>
#include <common/standard.h>
-#include <proto/protocol.h>
+#include <haproxy/protocol.h>
/* List head of all registered protocols */
static struct list protocols = LIST_HEAD_INIT(protocols);