dev-haskell/mainland-pretty: allow srcloc-0.4

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/language-c-quote: allow srcloc-0.4

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/srcloc: removed old

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