Inflict PPDF_ENABLE_XFA ifdefs on XFA core/

core/src/fpdfdoc/doc_formfield.cpp

Index: core/src/fpdfdoc/doc_formfield.cpp
diff --git a/core/src/fpdfdoc/doc_formfield.cpp b/core/src/fpdfdoc/doc_formfield.cpp
index a4de7bbee32e248df059a850c908da691a6a7ec7..6f90d7e396811dcf140252f9d9aa6f9d8041556c 100644
--- a/core/src/fpdfdoc/doc_formfield.cpp
+++ b/core/src/fpdfdoc/doc_formfield.cpp
@@ -739,6 +739,7 @@ int CPDF_FormField::FindOptionValue(const CFX_WideString& csOptValue,
   }
   return -1;
 }
+#ifdef PDF_ENABLE_XFA
 int CPDF_FormField::InsertOption(CFX_WideString csOptLabel,
                                  int index,
                                  FX_BOOL bNotify) {
@@ -816,6 +817,7 @@ FX_BOOL CPDF_FormField::ClearOptions(FX_BOOL bNotify) {
   m_pForm->m_bUpdated = TRUE;
   return TRUE;
 }
+#endif
 FX_BOOL CPDF_FormField::CheckControl(int iControlIndex,
                                      FX_BOOL bChecked,
                                      FX_BOOL bNotify) {