Fix trailing whitespace

FL/fl_draw.H

@@ -339,7 +339,7 @@ inline void fl_rounded_rectf(int x, int y, int w, int h, int r) {
   fl_graphics_driver->rounded_rectf(x, y, w, h, r);
 }
 
-/** Color with passed color a rectangle that exactly fills the given bounding box. 
+/** Color with passed color a rectangle that exactly fills the given bounding box.
  \warning The current color is changed to \p c upon return.
 */
 inline void fl_rectf(int x, int y, int w, int h, Fl_Color c) {

src/Fl_Graphics_Driver.cxx

@@ -948,28 +948,28 @@ void Fl_Scalable_Graphics_Driver::draw_circle(int x0, int y0, int d, Fl_Color c)
   // make circles nice on scaled display
   float s = scale();
   int scaled_d = (s > 1.0) ? (int)(d * s) : d;
-  
+
   // draw the circle
   switch (scaled_d) {
       // Larger circles draw fine...
     default:
       pie(x0, y0, d, d, 0.0, 360.0);
       break;
-      
+
       // Small circles don't draw well on many systems...
     case 6:
       rectf(x0 + 2, y0, d - 4, d);
       rectf(x0 + 1, y0 + 1, d - 2, d - 2);
       rectf(x0, y0 + 2, d, d - 4);
       break;
-      
+
     case 5:
     case 4:
     case 3:
       rectf(x0 + 1, y0, d - 2, d);
       rectf(x0, y0 + 1, d, d - 2);
       break;
-      
+
     case 2:
     case 1:
       rectf(x0, y0, d, d);

src/fl_draw.cxx

@@ -595,7 +595,7 @@ void fl_draw_check(Fl_Rect bb, Fl_Color col) {
   Draw a potentially small, filled circle using a given color.
 
   This function draws using \p color a filled circle bounded by rectangle <tt>(x, y, d, d)</tt>.
- 
+
   This function is the same as <tt>fl_pie(x, y, d, d, 0, 360)</tt> except with some systems
   that don't draw small circles well. In that situation, the circle diameter \p d is converted
   from FLTK units to pixels and this function approximates a filled circle by drawing several