Added some init code to enable stdout, stderr, stdin in the special case that we run an non-console Windows app inside a Windows console such as cmd.exe or PowerShell.

modules/juce_events/messages/juce_ApplicationBase.cpp

@@ -257,6 +257,16 @@ bool JUCEApplicationBase::initialiseApp()
     }
    #endif
 
+   #if JUCE_WINDOWS && JUCE_STANDALONE_APPLICATION && ! defined (_CONSOLE)
+    if (AttachConsole (ATTACH_PARENT_PROCESS) != 0)
+    {
+        // if we've launched a GUI app from cmd.exe or PowerShell, we need this to enable printf etc.
+        freopen("CON", "w", stdout);
+        freopen("CON", "w", stderr);
+        freopen("CON", "r", stdin);
+    }
+   #endif
+
     // let the app do its setting-up..
     initialise (getCommandLineParameters());