patch 8.0.0897: wrong error message for invalid term_finish value

Problem:    Wrong error message for invalid term_finish value
Solution:   Pass the right argument to emsg().
diff --git a/src/version.c b/src/version.c
index 5459482..6a19bd1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    897,
+/**/
     896,
 /**/
     895,