patch 9.0.0087: MS-Windows: CTRL-[ on Belgian keyboard does not work like Esc

Problem:    MS-Windows: CTRL-[ on Belgian keyboard does not work like Esc.
Solution:   Figure out what the key code means. (Anton Sharonov,
            closes #10687, closes #10454)
diff --git a/src/version.c b/src/version.c
index ead1e15..75fe0ed 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    87,
+/**/
     86,
 /**/
     85,