Add gadgets-layouts USE for 0.77 changes

diff --git a/contrib/concurrency/concurrency-examples.factor b/contrib/concurrency/concurrency-examples.factor
index 279141ddc06779e279d02b0a50811d8587536e30..705a8492a7251c5fd3893ca1a42e0114ac16ef32 100644 (file)
--- a/contrib/concurrency/concurrency-examples.factor
+++ b/contrib/concurrency/concurrency-examples.factor
@@ -158,6 +158,7 @@ M: crash-command run-rpc-command ( command -- shutdown? result )
 USE: gadgets
 USE: gadgets-labels
 USE: gadgets-presentations
+USE: gadgets-layouts
 USE: generic
 
 TUPLE: promised-label promise ;