Fix another signedness problem

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Constify methods

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Refresh the status of "Working dir changes" of Log dialog by pushing F6

Signed-off-by: Yue Lin Ho <b8732003@student.nsysu.edu.tw>
調整 log 版面

盡量縮小下方區域大小
Fixed: AdjustControlSize() doesn't do its work

Signed-off-by: Yue Lin Ho <b8732003@student.nsysu.edu.tw>
Take a break and more TRACE

Attach to process succeed, but can't use break point. -_-!
so, adding some debug strings.

Note a issue: (suppose it is not related to this change, but note it.)
git.exe spends few minutes to finish its work.
Since it does not response, the ReadFile() blocks AsyncDiffThread().
And git.exe seems end up with some error (ReadFile() return FALSE)
Do not build languages in release configuration by default

Signed-off-by: Sven Strickroth <email@cs-ware.de>
My private build 1.8.11.777