updated for version 7.4.540
Problem:    Cannot build with tiny and small features. (Taro Muraoka)
Solution:   Add #ifdef around CMD_USER.
Added tag v7-4-540 for changeset 93aca8cdd7b8
Update runtime files.
updated for version 7.4.541
Problem:    Crash when doing a range assign.
Solution:   Check for NULL poiter. (Yukihiro Nakadaira)
Added tag v7-4-541 for changeset 9fbb9c60ab41
Merge remote-tracking branch 'upstream/master' into all