patch 8.1.2386: 'wincolor' is not used for 'listchars'

Problem:    'wincolor' is not used for 'listchars'.
Solution:   Combine the colors. (closes #5308)
diff --git a/src/version.c b/src/version.c
index abe541b..69fc8ce 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2386,
+/**/
     2385,
 /**/
     2384,