patch 9.0.1238: :runtime completion can be further improved

Problem:    :runtime completion can be further improved.
Solution:   Also complete the {where} argument values and adjust the
            completion for that. (closes #11874)
diff --git a/src/version.c b/src/version.c
index 30e9819..9eff969 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1238,
+/**/
     1237,
 /**/
     1236,