patch 8.2.4387: command line completion doesn't always work properly

Problem:    Command line completion doesn't always work properly.
Solution:   Adjust triggering after a "|".  Add more tests. (Yegappan
            Lakshmanan, closes #9779)
diff --git a/src/version.c b/src/version.c
index 6a4a577..eca2c74 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4387,
+/**/
     4386,
 /**/
     4385,