patch 8.1.2027: MS-Windows: problem with ambiwidth characters

Problem:    MS-Windows: problem with ambiwidth characters.
Solution:   handle ambiguous width characters in ConPTY on Windows 10 (1903).
            (Nobuhiro Takasaki, closes #4411)

src/version.c

@@ -757,6 +757,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2027,
 /**/
     2026,
 /**/