patch 8.0.0992: terminal title is wrong when 'encoding' is DBCS

Problem:    Terminal title is wrong when 'encoding' is DBCS.
Solution:   Convert the title from DBCS to utf-8. (Yasuhiro Matsumoto, closes
            #2009)
diff --git a/src/version.c b/src/version.c
index a0ce86d..1006ca0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    992,
+/**/
     991,
 /**/
     990,