Don't include Sun Ray code on MacOS

git-svn-id: svn+ssh://svn.code.sf.net/p/virtualgl/code/branches/2.0.x@1323 799e4f7b-5fd2-41f6-823c-2ecc41bc7f0b

rr/pbwin.cpp

@@ -308,10 +308,12 @@ void pbwin::readback(GLint drawbuf, bool force, bool sync)
  #endif
 
  fconfig.sunray=false;
+ #if defined(sun)||defined(linux)
  if(_sunrayhandle)
  {
  RRSunRayDestroy(_sunrayhandle); _sunrayhandle=NULL;
  }
+ #endif
  if(compress==RRCOMP_DEFAULT)
  {
  const char *dstr=DisplayString(_windpy);
@@ -414,8 +416,12 @@ void pbwin::readback(GLint drawbuf, bool force, bool sync)
  rrfb *b;
  if(!_blitter) errifnot(_blitter=new rrblitter());
  if(fconfig.spoil && !_blitter->frameready() && !force) return;
+ #if defined(sun)||defined(linux)
  errifnot(b=_blitter->getbitmap(_windpy, _win, pbw, pbh,
  _usesunray==RRSUNRAY_NOT));
+ #else
+ errifnot(b=_blitter->getbitmap(_windpy, _win, pbw, pbh, true));
+ #endif
  b->_flags|=RRBMP_BOTTOMUP;
  int format;
  unsigned char *bits=b->_bits;