avoid warning due to missing prototype
change variable name
resolve race condition when scan progress was canceled
show complete window at once and get rid of the nasty loop really slowing down the dialog
sed s/lenght/length/.  (You guys will be the death of me.)
Merge pull request #346 from barak/upstream

sed s/lenght/length/.  (You guys will be the death of me.)
Merge pull request #345 from koeppea/cancel-scan

Cancel scan
Merge remote-tracking branch 'upstream/master' into nd-poisoning
adjust progress of probe delay after cancel-scan merge improved GTK UI perfornance