[commit: random] master: Fix test following removal of Num's superclasses (b950a0f)

[Ian Lynagh]

Repository : ssh://darcs.haskell.org//srv/darcs/packages/random

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/b950a0f1a0d72dbc95752549f38ad5eedd54589a

>---------------------------------------------------------------

commit b950a0f1a0d72dbc95752549f38ad5eedd54589a
Author: Ian Lynagh <igloo at earth.li>
Date:   Wed Oct 12 18:02:26 2011 +0100

    Fix test following removal of Num's superclasses

>---------------------------------------------------------------

 tests/rangeTest.hs |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tests/rangeTest.hs b/tests/rangeTest.hs
index 704a36c..6732345 100644
--- a/tests/rangeTest.hs
+++ b/tests/rangeTest.hs
@@ -27,7 +27,7 @@ approxBounds nxt iters unused (explo,exphi) initrng =
 --     (2) we get "close" to the bounds
 -- The with (2) is that we do enough trials to ensure that we can at
 -- least hit the 90% mark.
-checkBounds:: (Real a, Ord a) =>
+checkBounds:: (Real a, Show a, Ord a) =>
 	      String -> (Bool, a, a) -> ((a,a) -> StdGen -> ((a, a, t), StdGen)) -> IO ()
 checkBounds msg (exclusive,lo,hi) fun = 
  -- (lo,hi) is [inclusive,exclusive)