Applying gain for short selection bug

[FurryMumbler]

Old bug:
Selecting short range:


Ctrl-G, silence, ok - MP3DC applies gain to whole file:


For slightly larger selection gain applied to selection and right part:


Sample: http://a.pomf.cat/sjqafr.mp3

MP3DC 2.23

[mpesch3]

Thanks for reporting. It will be checked.