patch 8.0.0217: build fails without cscope feature

Problem:    Build fails without the cscope feature.
Solution:   Add #ifdef.
diff --git a/src/tag.c b/src/tag.c
index 61d40e5..bd0dd74 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -1754,7 +1754,11 @@
 	     * The file name is followed by a ','.
 	     * Remember etag file name in ebuf.
 	     */
-	    if (*lbuf == Ctrl_L && !use_cscope)
+	    if (*lbuf == Ctrl_L
+# ifdef FEAT_CSCOPE
+				&& !use_cscope
+# endif
+				)
 	    {
 		is_etag = 1;		/* in case at the start */
 		state = TS_LINEAR;
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,