Update to 2.4.6.

This makes this distfile fetchable again. The older distfiles had
non-distributable icons in the inspector.
https://lists.webkit.org/pipermail/webkit-gtk/2014-October/002093.html

Add "-3" Suffix to MiniBrowser

Remove @dirrm[try] no longer needed.


git-svn-id: svn://creme-brulee.marcuscom.com/ports/trunk@19939 df743ca5-7f9a-e211-a948-0013205c9059