After merge fix for BUG#18908 ERROR 1406 (22001): Data too long for column :: using utf8

strings/ctype-utf8.c:
  Fix for compilation warning -
  forgot to add a new structure member
  in one of the previous changes.

strings/ctype-utf8.c

@@ -4051,6 +4051,7 @@ static MY_CHARSET_HANDLER my_charset_filename_handler=
     my_strntoull_8bit,
     my_strntod_8bit,
     my_strtoll10_8bit,
+    my_strntoull10rnd_8bit,
     my_scan_8bit
 };