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)

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    992,
 /**/
     991,
 /**/