dev-haskell/diagrams-postscript: bump up to 1.0.1.2

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/diagrams-svg: bump up to 1.0.1.3

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>