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/unix/joystick.cpp

@@ -283,7 +283,7 @@ bool wxJoystick::IsOk() const
     return (m_device != -1);
 }
 
-int wxJoystick::GetNumberJoysticks() const
+int wxJoystick::GetNumberJoysticks()
 {
     wxString dev_name;
     int fd, j;