proftpd/trunk: added gettext_dev as a build dependency

git-svn-id: https://gar.svn.sourceforge.net/svnroot/gar/csw/mgar/pkg@21493 d3b55034-1cff-0310-a425-aefe953e1e90
proftpd/trunk: use the real current group name to perform installation

git-svn-id: https://gar.svn.sourceforge.net/svnroot/gar/csw/mgar/pkg@21494 d3b55034-1cff-0310-a425-aefe953e1e90