Fix CI maybe

Author: jappeace

Data/HashMap/Internal.hs

@@ -236,8 +236,12 @@ instance NF.NFData2 Leaf where
 --
 -- to convert negatives use in ghci:
 -- >>> fromInteger (-3750763034362895579) :: Word64
+
+#if MIN_VERSION_hashable(1,3,1)
+type DefaultSalt = 14695981039346656037 -- fromInteger (-3750763034362895579) :: Word64
+#else
 type DefaultSalt = 15868100553162883236 -- old values https://github.com/haskell-unordered-containers/hashable/blame/ade7f97d1c59e9cfbad49b6ed130b90805311758/Data/Hashable/Class.hs#L202
--- type DefaultSalt = 14695981039346656037 -- fromInteger (-3750763034362895579) :: Word64
+#endif
 
 -- | A map from keys to values.  A map cannot contain duplicate keys;
 -- each key can map to at most one value.