Test suite build failure with Cabal 2.0

[snoyberg]

You'll need to add time to the test suite dependencies.

Building test suite 'doctests' for hledger-lib-1.3..

Hledger/Data/Dates.hs:78:0: error:
     error: missing binary operator before token "("
     #if MIN_VERSION_time(1,5,0)
     ^
   |
78 | #if MIN_VERSION_time(1,5,0)
   | ^

Hledger/Data/Dates.hs:488:0: error:
     error: missing binary operator before token "("
     #if MIN_VERSION_time(1,5,0)
     ^
    |
488 | #if MIN_VERSION_time(1,5,0)
    | ^
`gcc' failed in phase `C pre-processor'. (Exit code: 1)

[simonmichael]

Thanks!