udev-seat: Repick seat after a new device was added

Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
diff --git a/src/input.c b/src/input.c
index 4f6ba7b..272fec0 100644
--- a/src/input.c
+++ b/src/input.c
@@ -45,7 +45,7 @@
 	wl_list_remove(wl_resource_get_link(resource));
 }
 
-void
+WL_EXPORT void
 weston_seat_repick(struct weston_seat *seat)
 {
 	const struct weston_pointer *pointer = seat->pointer;