updated for version 7.4.204

Problem:    A mapping where the second byte is 0x80 doesn't work.
Solution:   Unescape before checking for incomplete multi-byte char. (Nobuhiro
            Takasaki)

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    204,
 /**/
     203,
 /**/