Bug#868866: haskell-snap build dependency on libghc-lens-dev (< 4.15) but 4.15.1-1 is to be installed

[Adrian Bunk]

Source: haskell-snap
Version: 1.0.0.1-6
Severity: serious

The following packages have unmet dependencies:
Depends: libghc-lens-dev (< 4.15) but 4.15.1-1 is to be installed