updated for version 7.4.016

Problem:    MS-Windows: File name completion doesn't work properly with
            Chinese characters. (Yue Wu)
Solution:   Add fname_casew(). (Ken Takata)

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    16,
 /**/
     15,
 /**/