Rename private member function with trailing underscore.

FL/Fl_Image.H

@@ -76,7 +76,7 @@ private:
   Fl_Image & operator=(const Fl_Image &);
   Fl_Image(const Fl_Image &);
   // Presently redefined in Fl_SVG_Image
-  virtual void cache_size(int &width, int &height) {}
+  virtual void cache_size_(int &width, int &height) {}
 
 protected:
 

FL/Fl_SVG_Image.H

@@ -146,7 +146,7 @@ private:
   float average_weight_;
   float svg_scaling_(int W, int H);
   void rasterize_(int W, int H);
-  virtual void cache_size(int &width, int &height);
+  virtual void cache_size_(int &width, int &height);
   void init_(const char *filename, const char *filedata, Fl_SVG_Image *copy_source);
   Fl_SVG_Image(Fl_SVG_Image *source);
 public:

src/Fl_Graphics_Driver.cxx

@@ -210,7 +210,7 @@ void Fl_Graphics_Driver::cache_size(Fl_Image *img, int &width, int &height)
     width  = (width+1) * scale();
     height = (height+1) * scale();
   }
-  img->cache_size(width, height);
+  img->cache_size_(width, height);
 }
 
 /** Draws an Fl_Pixmap object using this graphics driver.

src/Fl_SVG_Image.cxx

@@ -235,7 +235,7 @@ void Fl_SVG_Image::resize(int width, int height) {
 }
 
 
-void Fl_SVG_Image::cache_size(int &width, int &height) {
+void Fl_SVG_Image::cache_size_(int &width, int &height) {
   if (proportional) {
     // Keep the rasterized image proportional to its source-level width and height
     // while maintaining it large enough to allow image tiling.