- Fix trailing whitespace in pkg-descrs, categories [a-f]*

accessibility/mousetweaks/pkg-descr

accessibility/redshift/pkg-descr

archivers/engrampa/pkg-descr

archivers/file-roller/pkg-descr

archivers/gnome-autoar/pkg-descr

archivers/liblz4/pkg-descr

archivers/lzop/pkg-descr

archivers/minizip/pkg-descr

archivers/p5-Archive-Extract/pkg-descr

archivers/p5-Archive-Tar/pkg-descr

archivers/peazip/pkg-descr

archivers/pxz/pkg-descr

archivers/py-rjsmin/pkg-descr

archivers/snzip/pkg-descr

archivers/tclmkziplib/pkg-descr

archivers/torrentzip/pkg-descr

archivers/unzip/pkg-descr

archivers/xar/pkg-descr

archivers/zopfli/pkg-descr

astro/fowsr/pkg-descr