Don’t use void for functions without arguments

interface/wx/object.h

@@ -726,7 +726,7 @@ public:
     @code
     wxIMPLEMENT_ABSTRACT_CLASS(wxCommand, wxObject);
 
-    wxCommand::wxCommand(void)
+    wxCommand::wxCommand()
     {
         ...
     }
@@ -754,7 +754,7 @@ public:
     @code
     wxIMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow);
 
-    wxFrame::wxFrame(void)
+    wxFrame::wxFrame()
     {
         ...
     }

interface/wx/thread.h

@@ -1782,7 +1782,7 @@ bool wxIsMainThread();
     Typically, these functions are used like this:
 
     @code
-    void MyThread::Foo(void)
+    void MyThread::Foo()
     {
         // before doing any GUI calls we must ensure that
         // this thread is the only one doing it!