Commit Briefs
fix gcc 4.8 warnings
LGTM=rsc R=rsc https://codereview.appspot.com/33240044
devdraw: silence unused variable warnings
R=rsc https://codereview.appspot.com/7304064
devdraw: disable XCopyArea optimization
Ubuntu Precise seems to have a buggy X server that sometimes fails at XCopyArea. Let devdraw do it itself. This will slow down remote X a little bit, but slow and correct is better than fast and broken. R=rsc https://codereview.appspot.com/7310069