Add unix-time constraint to cabal file

alanz · alanz · commit d373655d8097 · 2019-06-21T09:13:26.000+02:00
This makes sure PR haskell#1304 is complete, constraining the cabal build as well, for Windows 7
diff --git a/haskell-ide-engine.cabal b/haskell-ide-engine.cabal
@@ -93,6 +93,7 @@ library
                      , tagsoup
                      , text
                      , transformers
+                     , unix-time >= 0.4.7
                      , unordered-containers
                      , vector
                      , versions
