#1 multi-byte problems

[Son, Kyung-uk]

Environment:
RedHat Linux Fedora 0.95
Mysql Control Center 0.9.3-beta
LANG=ko_KR.eucKR
MS Windows 2000
Mysql Control Center 0.9.3-beta
codepage=cp949(Korean)

Problems:
1. I made a field with char(40).
2. I put many korean alphabets(it called 'hangul') to
field, that gets until was filled 40 characters.
3. save
4. there were only 20 characters.
5. I put 18 hanguls and two characters(english), and
save it.
6. there were 5 hanguls and a broken character.

ok, it is miss counting of multi-byte strings.

And so, I wrote two patches.
The one is for good update, different one is for good edit.
It seems good under linux, but I don't test under
windows because I haven't pre-complied QT library for
mingw32.
So if my patches is not bad, I look for take patched
excutable binary for win32.

Sorry for my poor english, and thanks to your effortsss!

[Son, Kyung-uk]

Some patches about miss counting of multi byte string.