Fixed memory leaks.

git-svn-id: http://svn.aircrack-ng.org/trunk@2302 28c6078b-6c39-48e3-add9-af49d547ecab
OSdep: Fixed errors due to macro expansion.

git-svn-id: http://svn.aircrack-ng.org/trunk@2303 28c6078b-6c39-48e3-add9-af49d547ecab
Display error when setuid fails.

git-svn-id: http://svn.aircrack-ng.org/trunk@2304 28c6078b-6c39-48e3-add9-af49d547ecab
Airserv-ng: Fixed use after free.

git-svn-id: http://svn.aircrack-ng.org/trunk@2305 28c6078b-6c39-48e3-add9-af49d547ecab