Bump QuickCheck upper bound to 2.9

spl · spl · commit 3176153187b1 · 2015-03-19T08:49:52.000+02:00
diff --git a/dlist.cabal b/dlist.cabal
@@ -42,4 +42,4 @@ test-suite test
   build-depends:        dlist,
                         base,
                         Cabal,
-                        QuickCheck >= 2.7 && < 2.8
+                        QuickCheck >= 2.7 && < 2.9
