Fix for user input processing in wxProgressDialog.

Yield for input event processing before updating the dialog instead of doing
it after this as the latter apparently doesn't always work.

Closes #10645.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@64385 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/progdlgg.h

@@ -81,7 +81,10 @@ private:
     void UpdateMessage(const wxString &newmsg);
 
     // common part of Update() and Pulse(), returns true if not cancelled
-    bool DoAfterUpdate(bool *skip);
+    bool DoBeforeUpdate(bool *skip);
+
+    // common part of Update() and Pulse()
+    void DoAfterUpdate();
 
     // shortcuts for enabling buttons
     void EnableClose();