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

Nothing was changed.
diff --git a/include/types/backend.h b/include/types/backend.h
index 8a1f3bd..120081f 100644
--- a/include/types/backend.h
+++ b/include/types/backend.h
@@ -26,10 +26,10 @@
 #include <haproxy/lb_fas-t.h>
 #include <haproxy/lb_fwlc-t.h>
 #include <haproxy/lb_fwrr-t.h>
+#include <haproxy/lb_map-t.h>
 #include <haproxy/api-t.h>
 #include <haproxy/thread.h>
 
-#include <types/lb_map.h>
 #include <types/server.h>
 
 /* Parameters for lbprm.algo */