Switch Stack resolver back to lts

As recommended here:

  http://stackoverflow.com/a/37876041/2103996

diff --git a/stack.yaml b/stack.yaml
index b1510f8b68a9c26f8c35aea186f5518e6e203927..0acf4d791d0dfe359ef12f36dd016ee679bb61cd 100644 (file)
--- a/stack.yaml
+++ b/stack.yaml
@@ -2,7 +2,7 @@
 # For more information, see: http://docs.haskellstack.org/en/stable/yaml_configuration/
 
 # Specifies the GHC version and set of packages available (e.g., lts-3.5, nightly-2015-09-21, ghc-7.10.2)
-resolver: nightly-2016-06-15
+resolver: lts-6.3
 
 # Local packages, usually specified by relative directory name
 packages: