Do not use redirection on binary files

On some platforms, the shell will determine what attributes a file
will have, so while the program might think it's safely outputting
binary data, it's not always true.

For the sake of the tests, it's therefore safer to use -out than to
use redirection.
Reviewed-by: NRich Salz <rsalz@openssl.org>

test/recipes/20-test_enc.t

@@ -51,10 +51,8 @@ if (!$init) {
 		 @d = ( "enc", @{$variant{$t}}, "-d" );
 	     }
 
-	     ok(run(app([$cmd, @e],
-			stdin => $test, stdout => $cipherfile))
-		&& run(app([$cmd, @d],
-			   stdin => $cipherfile, stdout => $clearfile))
+	     ok(run(app([$cmd, @e, "-in", $test, "-out", $cipherfile]))
+		&& run(app([$cmd, @d, "-in", $cipherfile, "-out", $clearfile]))
 		&& compare_text($test,$clearfile) == 0, $t);
 	     unlink $cipherfile, $clearfile;
 	 }

test/recipes/tconversion.pl

@@ -53,8 +53,9 @@ sub tconversion {
 	  ok(run(app([@cmd,
 		      "-in", "$testtype-fff.p",
 		      "-inform", "p",
-		      "-outform", $to],
-		     stdout => "$testtype-f.$to")), "p -> $to");
+		      "-out", "$testtype-f.$to",
+		      "-outform", $to])),
+	     "p -> $to");
       }
 
       foreach my $to (@conversionforms) {
@@ -62,8 +63,9 @@ sub tconversion {
 	      ok(run(app([@cmd,
 			  "-in", "$testtype-f.$from",
 			  "-inform", $from,
-			  "-outform", $to],
-			 stdout => "$testtype-ff.$from$to")), "$from -> $to");
+			  "-out", "$testtype-ff.$from$to",
+			  "-outform", $to])),
+		 "$from -> $to");
 	  }
       }