patch 7.4.889
Problem:    Triggering OptionSet from setwinvar() isn't tested.
Solution:   Add a test. (Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index 32c4d14..d3ea2d3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    889,
+/**/
     888,
 /**/
     887,