Fl_Widget::copy_label(NULL) didn't work (STR #707)

src/Fl_Widget.cxx:
    - Check for NULL in Fl_Widget::copy_label()


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4032 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

CHANGES

@@ -1,6 +1,9 @@
 CHANGES IN FLTK 1.1.7
 
 	- Documentation fixes (STR #648, STR #692)
+	- Fl_Widget::copy_label(NULL) didn't work (STR #707)
+	- Fl_Choice now allows click selection like
+	  Fl_Menu_Button and Fl_Menubar (STR #706)
 	- Updated cmake support (STR #645)
 	- Fl_Check_Browser didn't draw properly when inactive
 	  (STR #681)

src/Fl_Widget.cxx

@@ -1,5 +1,5 @@
 //
-// "$Id: Fl_Widget.cxx,v 1.5.2.4.2.26 2004/11/23 19:51:03 easysw Exp $"
+// "$Id$"
 //
 // Base widget class for the Fast Light Tool Kit (FLTK).
 //
@@ -262,12 +262,17 @@ Fl_Widget::label(const char *a) {
 void
 Fl_Widget::copy_label(const char *a) {
   if (flags() & COPIED_LABEL) free((void *)(label_.value));
-  set_flag(COPIED_LABEL);
-  label_.value=strdup(a);
+  if (a) {
+    set_flag(COPIED_LABEL);
+    label_.value=strdup(a);
+  } else {
+    clear_flag(COPIED_LABEL);
+    label_.value=(char *)0;
+  }
   redraw_label();
 }
 
 
 //
-// End of "$Id: Fl_Widget.cxx,v 1.5.2.4.2.26 2004/11/23 19:51:03 easysw Exp $".
+// End of "$Id$".
 //