REORG: include: move http_htx.h to haproxy/http_htx{,-t}.h
A few includes had to be added, namely list-t.h in the type file and
types/proxy.h in the proto file. actions.h was including http-htx.h
but didn't need it so it was dropped.
diff --git a/src/http_htx.c b/src/http_htx.c
index f345b4b..af4dd5c 100644
--- a/src/http_htx.c
+++ b/src/http_htx.c
@@ -21,10 +21,10 @@
#include <common/cfgparse.h>
#include <haproxy/h1.h>
#include <haproxy/http.h>
+#include <haproxy/http_htx.h>
#include <haproxy/htx.h>
#include <proto/arg.h>
-#include <proto/http_htx.h>
#include <proto/http_fetch.h>
#include <proto/sample.h>