REORG: include: move vars.h to haproxy/vars{,-t}.h
A few includes (sessions.h, stream.h, api-t.h) were added for arguments
that were first declared in function prototypes.
diff --git a/src/session.c b/src/session.c
index f752e07..afbcf2b 100644
--- a/src/session.c
+++ b/src/session.c
@@ -14,6 +14,7 @@
#include <haproxy/http.h>
#include <haproxy/listener.h>
#include <haproxy/pool.h>
+#include <haproxy/vars.h>
#include <types/global.h>
#include <types/session.h>
@@ -24,7 +25,6 @@
#include <proto/session.h>
#include <proto/stream.h>
#include <proto/tcp_rules.h>
-#include <proto/vars.h>
DECLARE_POOL(pool_head_session, "session", sizeof(struct session));
DECLARE_POOL(pool_head_sess_srv_list, "session server list",