fix display of git-annex test command name in usage

This needs optparse-applicative 0.10. Dropped support for 0.9 and older,
but kept 0.9.1 working since autobuilders and debian testing still use it.
(The display is not perfect with 0.9.1.)

Test.hs

@@ -113,13 +113,16 @@ main ps = do
 			)
   where
 	parseOpts pprefs pinfo args =
-#if MIN_VERSION_optparse_applicative(0,8,0)
-		handleParseResult $ execParserPure pprefs pinfo args
+#if MIN_VERSION_optparse_applicative(0,10,0)
+		case execParserPure pprefs pinfo args of
+			(Options.Applicative.Failure failure) -> do
+				let (msg, _exit) = renderFailure failure progdesc
+				error msg
+			v -> handleParseResult v
 #else
-		either (error <=< flip errMessage progdesc) return $
-			execParserPure pprefs pinfo args
-  	progdesc = "git-annex test"
+	handleParseResult $ execParserPure pprefs pinfo args
 #endif
+  	progdesc = "git-annex test"
 
 ingredients :: [Ingredient]
 ingredients =

git-annex.cabal

@@ -1,5 +1,5 @@
 Name: git-annex
-Version: 5.20140915
+Version: 5.20140916
 Cabal-Version: >= 1.8
 License: GPL-3
 Maintainer: Joey Hess <joey@kitenet.net>
@@ -132,7 +132,7 @@ Executable git-annex
 
   if flag(TestSuite)
     Build-Depends: tasty (>= 0.7), tasty-hunit, tasty-quickcheck, tasty-rerun,
-     optparse-applicative, crypto-api
+     optparse-applicative (>= 0.9.1), crypto-api
     CPP-Options: -DWITH_TESTSUITE
 
   if flag(TDFA)