Make wxJoystick::GetNumberJoystick a static method, as the number of

joysticks attached to the computer is a global property, not one of the
specific instance. Patch from Lauri Nurmi.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36284 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/os2/joystick.cpp

@@ -101,7 +101,7 @@ bool wxJoystick::IsOk() const
     return false;
 }
 
-int wxJoystick::GetNumberJoysticks() const
+int wxJoystick::GetNumberJoysticks()
 {
     // TODO
     return 0;