STR #2013: Added missing 'step' getter for Fl_Counter

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6603 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Counter.H

@@ -88,12 +88,18 @@ public:
     \param[in] a, b normal and large step increments.
   */
   void step(double a,double b) {Fl_Valuator::step(a); lstep_ = b;}
+
   /**
     Sets the increment for the normal step buttons.
     \param[in] a normal step increment.
   */
   void step(double a) {Fl_Valuator::step(a);}
 
+  /**
+    Returns the increment for normal step buttons.
+   */
+  double step() {return Fl_Valuator::step();}
+
   /** Gets the text font */
   Fl_Font textfont() const {return textfont_;}
   /** Sets the text font to \a s */