added resize functionality in SDL frontend
Merge branch 'master' of https://github.com/xdsopl/srt
Merge remote-tracking branch 'kebekus/master'
resize SDL window only in even width and height numbers
really only resize SDL window if w&&h
Merge branch 'master' of https://github.com/xdsopl/srt
added locale independent a2f method
Merge branch 'master' of https://github.com/xdsopl/srt