If ChildProcess is not interested in stdout/stderr, then redirect to /dev/null instead of closing

modules/juce_core/native/juce_posix_SharedCode.h

@@ -1090,14 +1090,14 @@ public:
                 close (pipeHandles[0]);   // close the read handle
 
                 if ((streamFlags & wantStdOut) != 0)
-                    dup2 (pipeHandles[1], 1); // turns the pipe into stdout
+                    dup2 (pipeHandles[1], STDOUT_FILENO); // turns the pipe into stdout
                 else
-                    close (STDOUT_FILENO);
+                    dup2 (open ("/dev/null", O_WRONLY), STDOUT_FILENO);
 
                 if ((streamFlags & wantStdErr) != 0)
-                    dup2 (pipeHandles[1], 2);
+                    dup2 (pipeHandles[1], STDERR_FILENO);
                 else
-                    close (STDERR_FILENO);
+                    dup2 (open ("/dev/null", O_WRONLY), STDERR_FILENO);
 
                 close (pipeHandles[1]);
 

modules/juce_gui_basics/native/juce_linux_FileChooser.cpp

@@ -171,8 +171,6 @@ void FileChooser::showPlatformDialog (Array<File>& results,
     else
         addZenityArgs (args, separator, title, file, filters, isDirectory, isSave, selectMultipleFiles);
 
-    args.add ("2>/dev/null"); // (to avoid logging info ending up in the results)
-
     ChildProcess child;
 
     if (child.start (args, ChildProcess::wantStdOut))