namespace before #ifdef

Author: gdamiand

Polygon/include/CGAL/draw_multipolygon_with_holes_2.h

@@ -45,12 +45,12 @@ void draw(const MPH& aph);
 
 #endif
 
+namespace CGAL {
+
 #if defined(CGAL_USE_BASIC_VIEWER_QT)
 
 #include <CGAL/Qt/init_ogl_context.h>
 
-namespace CGAL {
-
 // Viewer class for Multipolygon_with_holes_2
 template <typename Multipolygon>
 class Mpwh_2_basic_viewer_qt : public Qt::Basic_viewer {