Do not put semicolons after the definition of an inline function.

Even though most compilers just ignore this, it's just wrong and if you
do get warnings about header files, they can become quite overwhelming.
Forward port of r70163.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70165 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mdi.h

@@ -81,7 +81,7 @@ public:
 #if wxUSE_MENUS
     // return the pointer to the current window menu or NULL if we don't have
     // because of wxFRAME_NO_WINDOW_MENU style
-    wxMenu* GetWindowMenu() const { return m_windowMenu; };
+    wxMenu* GetWindowMenu() const { return m_windowMenu; }
 
     // use the given menu instead of the default window menu
     //