Remove default arguments from CFX_FxgeDevice.

core/fxge/include/fx_dib.h

Index: core/fxge/include/fx_dib.h
diff --git a/core/fxge/include/fx_dib.h b/core/fxge/include/fx_dib.h
index 6504e5fd8f5039a898b7e02149e1da6ff184ca00..12ed03c1d317e96559395ffc6d1cec3d743cd8dd 100644
--- a/core/fxge/include/fx_dib.h
+++ b/core/fxge/include/fx_dib.h
@@ -256,6 +256,7 @@ class CFX_DIBSource {
   int FindPalette(uint32_t color) const;
   void GetPalette(uint32_t* pal, int alpha) const;
 };
+
 class CFX_DIBitmap : public CFX_DIBSource {
  public:
   CFX_DIBitmap();
@@ -357,17 +358,13 @@ class CFX_DIBitmap : public CFX_DIBSource {
 
   FX_BOOL ConvertColorScale(uint32_t forecolor, uint32_t backcolor);
 
-  FX_BOOL DitherFS(const uint32_t* pPalette,
-                   int pal_size,
-                   const FX_RECT* pRect = NULL);
-
  protected:
-  uint8_t* m_pBuffer;
+  FX_BOOL GetGrayData(void* pIccTransform = NULL);
 
+  uint8_t* m_pBuffer;
   FX_BOOL m_bExtBuf;
-
-  FX_BOOL GetGrayData(void* pIccTransform = NULL);
 };
+
 class CFX_DIBExtractor {
  public:
   CFX_DIBExtractor(const CFX_DIBSource* pSrc);