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/gtk/toplevel.h

@@ -55,7 +55,7 @@ public:
 
     virtual void ShowWithoutActivating();
     virtual bool ShowFullScreen(bool show, long style = wxFULLSCREEN_ALL);
-    virtual bool IsFullScreen() const { return m_fsIsShowing; };
+    virtual bool IsFullScreen() const { return m_fsIsShowing; }
 
     virtual void RequestUserAttention(int flags = wxUSER_ATTENTION_INFO);