stack.yaml: Use Diff-0.4 from outside stackage

Peaker · Jan 7, 2020 · f9e2e5e · f9e2e5e
1 parent 76a6aac
commit f9e2e5e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/stack.yaml b/stack.yaml
@@ -1,5 +1,6 @@
 flags: {}
 packages:
 - '.'
-extra-deps: []
+extra-deps:
+- Diff-0.4.0
 resolver: lts-14.6