REORG: include: move obj_type.h to haproxy/obj_type{,-t}.h

No change was necessary. It still includes lots of types/* files.
diff --git a/include/types/stream.h b/include/types/stream.h
index c7db75e..e86b6d6 100644
--- a/include/types/stream.h
+++ b/include/types/stream.h
@@ -32,10 +32,10 @@
 #include <haproxy/dynbuf-t.h>
 #include <haproxy/hlua-t.h>
 #include <haproxy/list-t.h>
+#include <haproxy/obj_type-t.h>
 
 #include <types/channel.h>
 #include <types/filters.h>
-#include <types/obj_type.h>
 #include <types/http_ana.h>
 #include <types/proxy.h>
 #include <types/queue.h>