patch 8.0.1234: MS-Windows: composing chars are not shown properly

Problem:    MS-Windows: composing characters are not shown properly.
Solution:   Pass base character and composing characters to the renderer at
            once. (Ken Takata, closes #2206)

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1234,
 /**/
     1233,
 /**/