Various changes needed to match recent cvs updates

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16661 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/src/misc2.i

@@ -872,6 +872,13 @@ public:
     wxOutputStream *GetOutputStream();
 
     void CloseOutput();
+
+    // return TRUE if the child process stdout is not closed
+    bool IsInputOpened() const;
+
+    // return TRUE if any input is available on the child process stdout/err
+    bool IsInputAvailable() const;
+    bool IsErrorAvailable() const;
 };