Tidy ifdefs in fpdfsdk.

fpdfsdk/src/formfiller/FFL_IFormFiller.cpp

Index: fpdfsdk/src/formfiller/FFL_IFormFiller.cpp
diff --git a/fpdfsdk/src/formfiller/FFL_IFormFiller.cpp b/fpdfsdk/src/formfiller/FFL_IFormFiller.cpp
index 3257faae681cac63cf29b8ab317fb16c6a0d1b1a..a41fa4074de24bb50631124b753bad43ec1a088e 100644
--- a/fpdfsdk/src/formfiller/FFL_IFormFiller.cpp
+++ b/fpdfsdk/src/formfiller/FFL_IFormFiller.cpp
@@ -278,11 +278,10 @@ FX_BOOL CFFL_IFormFiller::OnLButtonUp(CPDFSDK_PageView* pPageView,
     if (bExit)
       return TRUE;
 #ifdef PDF_ENABLE_XFA
-
     OnClick(pWidget, pPageView, bReset, bExit, nFlags);
     if (bExit)
       return TRUE;
-#endif
+#endif  // PDF_ENABLE_XFA
   }
   return bRet;
 }
@@ -980,8 +979,8 @@ void CFFL_IFormFiller::OnPostOpen(CPDFSDK_Widget* pWidget,
     }
   }
 }
+#endif  // PDF_ENABLE_XFA
 
-#endif
 FX_BOOL CFFL_IFormFiller::IsValidAnnot(CPDFSDK_PageView* pPageView,
                                        CPDFSDK_Annot* pAnnot) {
   if (pPageView)
@@ -1017,8 +1016,8 @@ void CFFL_IFormFiller::OnBeforeKeyStroke(void* pPrivateData,
       return;
     }
   }
+#endif  // PDF_ENABLE_XFA
 
-#endif
   if (!m_bNotifying) {
     if (pData->pWidget->GetAAction(CPDF_AAction::KeyStroke)) {
       m_bNotifying = TRUE;