patch 8.2.1697: inconsistent capitalization of error messages

Problem:    Inconsistent capitalization of error messages.
Solution:   Always start with a capital.
diff --git a/src/version.c b/src/version.c
index b503f3c..4418790 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1697,
+/**/
     1696,
 /**/
     1695,