Fix uses of verbosity > deafening to use >=

The maximum verbosity value is deafening so >= the correct test.
This primarily affected haddock.

Distribution/Simple/GHC.hs

@@ -714,7 +714,7 @@ constructCcCmdLine lbi bi pref filename verbosity
      in
         (odir,
          ghcCcOptions lbi bi odir
-         ++ (if verbosity > deafening then ["-v"] else [])
+         ++ (if verbosity >= deafening then ["-v"] else [])
          ++ ["-c",filename])
 
 

Distribution/Simple/Haddock.hs

@@ -160,7 +160,7 @@ haddock pkg_descr lbi suffixes flags = do
     let cssFileFlag = case flagToMaybe $ haddockCss flags of
                         Nothing -> []
                         Just cssFile -> ["--css=" ++ cssFile]
-    let verboseFlags = if verbosity > deafening then ["--verbose"] else []
+    let verboseFlags = if verbosity >= deafening then ["--verbose"] else []
     when (hsColour && not have_src_hyperlink_flags) $
          die "haddock --hyperlink-source requires Haddock version 0.8 or later"
     let linkToHscolour = if hsColour

Distribution/Simple/NHC.hs

@@ -160,7 +160,7 @@ build pkg_descr lbi verbosity = do
     -- build any C sources
     unless (null (cSources bi)) $ do
        info verbosity "Building C Sources..."
-       let commonCcArgs = (if verbosity > deafening then ["-v"] else [])
+       let commonCcArgs = (if verbosity >= deafening then ["-v"] else [])
                        ++ ["-I" ++ dir | dir <- includeDirs bi]
                        ++ [opt | opt <- ccOptions bi]
                        ++ (if withOptimization lbi then ["-O2"] else [])