patch 8.0.0217: build fails without cscope feature

Problem:    Build fails without the cscope feature.
Solution:   Add #ifdef.
diff --git a/src/version.c b/src/version.c
index a46b13f..76b4350 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    217,
+/**/
     216,
 /**/
     215,