Override virtual function Fl_Image::scale(int,int) for class Fl_SVG_Image.

An SVG image has no intrinsic size, so it makes no sense to prohibit enlarging it beyond an intrinsic size.

FL/Fl_SVG_Image.H

@@ -172,6 +172,7 @@ public:
   Fl_SVG_Image *as_svg_image() override { return this; }
   const Fl_SVG_Image *as_svg_image() const override { return this; }
   void normalize() override;
+  void scale(int w, int h, int keep_aspect = 1, int can_expand = 0) override;
 };
 
 #endif // FL_SVG_IMAGE_H

src/Fl_SVG_Image.cxx

@@ -412,4 +412,9 @@ void Fl_SVG_Image::normalize() {
   if (!array) resize(w(), h());
 }
 
+
+void Fl_SVG_Image::scale(int w, int h, int keep_aspect, int can_expand) {
+  Fl_Image::scale(w, h, keep_aspect, 1);
+}
+
 #endif // FLTK_USE_SVG