Require trifecta 1.5.1.3. (Pass -f-ekg to work around #17)

ermine.cabal

@@ -48,6 +48,8 @@ source-repository head
  type: git
  location: git://github.com/ekmett/ermine.git
 
+-- TODO we can't use if to disable this by default on windows due to
+-- https://github.com/haskell/cabal/issues/2429
 flag ekg
  manual: True
  default: True
@@ -188,8 +190,6 @@ library
  base >= 4,
  bifunctors >= 4.1.1,
  binary >= 0.7.1,
- -- TODO remove blaze-builder when trifecta >=1.5.2
- blaze-markup < 0.6.3,
  bound >= 1.0.3,
  bytes >= 0.11,
  bytestring >= 0.10,
@@ -225,7 +225,7 @@ library
  time >= 1.4,
  transformers >= 0.3,
  transformers-compat >= 0.4,
- trifecta >= 1.4.1,
+ trifecta >= 1.5.1.3,
  unordered-containers >= 0.2.3,
  utf8-string >= 0.3.7,
  vector >= 0.10,