updated for version 7.4.122

Problem:    Win32: When 'encoding' is set to "utf-8" and the active codepage
            is cp932 then ":grep" and other commands don't work for multi-byte
            characters.
Solution:   (Yasuhiro Matsumoto)

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    122,
 /**/
     121,
 /**/