message: highgui: remove gutter in window_w32
diff: @@ -1105,7 +1105,6 @@ static void icvScreenToClient( HWND hwnd, RECT* rect )
  /* Calculatess the window coordinates relative to the upper left corner of the mainhWnd window */
  static RECT icvCalcWindowRect( CvWindow* window )
  {
  - const int gutter = 1;
  RECT crect = { 0 }, trect = { 0 }, rect = { 0 };
  assert(window);
  @@ -1120,11 +1119,6 @@ static RECT icvCalcWindowRect( CvWindow* window )
  else
  rect = crect;
  - rect.top += gutter;
  - rect.left += gutter;
  - rect.bottom -= gutter;
  - rect.right -= gutter;
  -
  return rect;
  }
  