Allowing to use FLTK objects in static initializers (cont'd).

On the Mac platform, it's also necessary to initialize the fl_fonts
global variable.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10960 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

src/Fl_Widget.cxx

@@ -145,6 +145,9 @@ Fl_Widget::Fl_Widget(int X, int Y, int W, int H, const char* L) {
   if (!been_here) {
     been_here = 1;
     Fl_Display_Device::display_device(); // make sure fl_graphics_driver is initialized
+#ifdef __APPLE__
+    fl_fonts = Fl_X::calc_fl_fonts(); // make sure fl_fonts is initialized
+#endif
   }
 }