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

Nothing fancy, includes were already OK. The proto didn't reference the
type, this was fixed. Still references proxy.h and server.h from types/.
diff --git a/src/cfgparse.c b/src/cfgparse.c
index 6571b85..99c5c24 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -46,6 +46,7 @@
 #include <haproxy/lb_chash.h>
 #include <haproxy/lb_fas.h>
 #include <haproxy/lb_fwlc.h>
+#include <haproxy/lb_fwrr.h>
 #include <haproxy/mailers-t.h>
 #include <haproxy/obj_type-t.h>
 #include <haproxy/pool.h>
@@ -66,7 +67,6 @@
 #include <proto/checks.h>
 #include <proto/stats.h>
 #include <proto/filters.h>
-#include <proto/lb_fwrr.h>
 #include <proto/lb_map.h>
 #include <proto/listener.h>
 #include <proto/log.h>