Fix import clash in Setup.hs

Control.Exception.catch clashes with Prelude.catch on older versions of base.
Newer versions of base don’t have Prelude.catch, so it’s probably not possible
to import Prelude hiding (catch) .

Setup.hs

@@ -106,7 +106,7 @@ idrisConfigure _ flags _ local = do
       -- Put the Git hash into a module for use in the program
       -- For release builds, just put the empty string in the module
       generateVersionModule = do
-        gitHash <- catch (readProcess "git" ["rev-parse", "--short", "HEAD"] "")
+        gitHash <- Control.Exception.catch (readProcess "git" ["rev-parse", "--short", "HEAD"] "")
                          (\e -> let e' = (e :: SomeException) in return "PRE")
         let hash = takeWhile (/= '\n') gitHash
         let versionModulePath = autogenModulesDir local </> "Version_idris" Px.<.> "hs"