after some sizer frustration with ptt dlg, rename commport to ptt

git-svn-id: https://freetel.svn.sourceforge.net/svnroot/freetel/fdmdv2@1285 01035d8c-6547-0410-b346-abe4f91aad63
filer dialog now fits on 800x600 without clipping 

git-svn-id: https://freetel.svn.sourceforge.net/svnroot/freetel/fdmdv2@1286 01035d8c-6547-0410-b346-abe4f91aad63