[commit: Cabal] master: Fix another -Werrorism (6f01f56)

[Duncan Coutts]

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

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/6f01f56a2702b50e2da909566c4a01622cb2ca7f

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

commit 6f01f56a2702b50e2da909566c4a01622cb2ca7f
Author: Duncan Coutts <duncan at community.haskell.org>
Date:   Tue May 24 13:33:14 2011 +0000

    Fix another -Werrorism

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

 Distribution/PackageDescription.hs |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/Distribution/PackageDescription.hs b/Distribution/PackageDescription.hs
index 304ea23..80699db 100644
--- a/Distribution/PackageDescription.hs
+++ b/Distribution/PackageDescription.hs
@@ -816,7 +816,7 @@ updatePackageDescription (mb_lib_bi, exe_bi) p
       updateLibrary :: Maybe BuildInfo -> Maybe Library -> Maybe Library
       updateLibrary (Just bi) (Just lib) = Just (lib{libBuildInfo = bi `mappend` libBuildInfo lib})
       updateLibrary Nothing   mb_lib     = mb_lib
-      updateLibrary (Just bi) Nothing    = Nothing
+      updateLibrary (Just _)  Nothing    = Nothing
 
       updateExecutables :: [(String, BuildInfo)] -- ^[(exeName, new buildinfo)]
                         -> [Executable]          -- ^list of executables to update