Fix compilation of benchmarks

Author: RyanGlScott

benchmarks/unordered-containers-benchmarks.cabal

@@ -20,6 +20,9 @@ executable unordered-containers-benchmarks
     Data.HashMap.Unsafe
     Data.HashMap.UnsafeShift
     Data.HashSet
+    Util.ByteString
+    Util.Int
+    Util.String
   build-depends:
     base,
     bytestring,

unordered-containers.cabal

@@ -149,6 +149,11 @@ benchmark benchmarks
   main-is: Benchmarks.hs
   type: exitcode-stdio-1.0
 
+  other-modules:
+    Util.ByteString
+    Util.Int
+    Util.String
+
   build-depends:
     base,
     bytestring,