Remove unneeded variable assignments

Based on TortoiseSVN revision 24009

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Reduce variable scope

Based on TortoiseSVN revision 24010

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
MakeUTF8.c: reformat

Based on TortoiseSVN revision 24011

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>