Remove support for Lynx/OS

common/rfb/Timer.cxx

 #include <rfb/util.h>
 #include <rfb/LogWriter.h>
 
-// XXX Lynx/OS 2.3: proto for gettimeofday()
-#ifdef Lynx
-#include <sys/proto.h>
-#endif
-
 using namespace rfb;
 
 #ifndef __NO_DEFINE_VLOG__

unix/tx/TXDialog.h

 #include "TXWindow.h"
 #include <errno.h>
 
-// XXX Lynx/OS 2.3: protos for bzero(), select()
-#ifdef Lynx
-#include <sys/proto.h>
-#endif
-
 class TXDialog : public TXWindow, public TXDeleteWindowCallback {
 public:
   TXDialog(Display* dpy, int width, int height, const char* name,

unix/x0vncserver/TimeMillis.cxx

 
 #include <x0vncserver/TimeMillis.h>
 
-// XXX Lynx/OS 2.3: get proto for gettimeofday()
-#ifdef Lynx
-#include <sys/proto.h>
-#endif
-
 TimeMillis::TimeMillis()
 {
   update();

unix/x0vncserver/x0vncserver.cxx

 #include <x0vncserver/Image.h>
 #include <x0vncserver/PollingScheduler.h>
 
-// XXX Lynx/OS 2.3: protos for select(), bzero()
-#ifdef Lynx
-#include <sys/proto.h>
-#endif
-
 extern char buildtime[];
 
 using namespace rfb;