Update profiles/package.mask block:
// Bernard Cafarelli <voyageur@gentoo.org> (8 May 2017)
// Coordinated conversion to wxGTK:3.0-gtk3
// Drop mask after migration of existing wxGTK:3.0 users
=net-ftp/filezilla-3.30.0-r300
=net-ftp/filezilla-3.31.0-r300
with additional line
=dev-util/codeblocks-17.12-r300
# Drop mask after migration of existing wxGTK:3.0 users
=net-ftp/filezilla-3.30.0-r300
=net-ftp/filezilla-3.31.0-r300
+=dev-util/codeblocks-17.12-r300
# Mart Raudsepp <leio@gentoo.org> (16 Feb 2017)
# Old gstreamer 0.10 version, which is security vulnerable.