Inflict PDF_ENABLE_XFA ifdefs on XFA fpdfsdk/

fpdfsdk/include/formfiller/FFL_IFormFiller.h

Index: fpdfsdk/include/formfiller/FFL_IFormFiller.h
diff --git a/fpdfsdk/include/formfiller/FFL_IFormFiller.h b/fpdfsdk/include/formfiller/FFL_IFormFiller.h
index 79a89646263072e18da70deb010892bb758033ba..bfdce10f594d6825cb288305b0cb9f79b33761e7 100644
--- a/fpdfsdk/include/formfiller/FFL_IFormFiller.h
+++ b/fpdfsdk/include/formfiller/FFL_IFormFiller.h
@@ -112,6 +112,7 @@ class CFFL_IFormFiller : public IPWL_Filler_Notify {
                   FX_BOOL& bReset,
                   FX_BOOL& bExit,
                   FX_UINT nFlag);
+#ifdef PDF_ENABLE_XFA
   void OnClick(CPDFSDK_Widget* pWidget,
                CPDFSDK_PageView* pPageView,
                FX_BOOL& bReset,
@@ -132,6 +133,7 @@ class CFFL_IFormFiller : public IPWL_Filler_Notify {
                   FX_BOOL& bReset,
                   FX_BOOL& bExit,
                   FX_UINT nFlag);
+#endif
 
  private:
   using CFFL_Widget2Filler = std::map<CPDFSDK_Annot*, CFFL_FormFiller*>;
@@ -151,17 +153,21 @@ class CFFL_IFormFiller : public IPWL_Filler_Notify {
                          FX_BOOL& bRC,
                          FX_BOOL& bExit,
                          FX_DWORD nFlag) override;
+#ifdef PDF_ENABLE_XFA
   void OnPopupPreOpen(void* pPrivateData,
                       FX_BOOL& bExit,
                       FX_DWORD nFlag) override;
   void OnPopupPostOpen(void* pPrivateData,
                        FX_BOOL& bExit,
                        FX_DWORD nFlag) override;
+#endif
 
   void UnRegisterFormFiller(CPDFSDK_Annot* pAnnot);
+#ifdef PDF_ENABLE_XFA
   void SetFocusAnnotTab(CPDFSDK_Annot* pWidget,
                         FX_BOOL bSameField,
                         FX_BOOL bNext);
+#endif
 
   CPDFDoc_Environment* m_pApp;
   CFFL_Widget2Filler m_Maps;