Tidy ifdefs in fpdfsdk.

fpdfsdk/src/javascript/JS_Runtime.h

Index: fpdfsdk/src/javascript/JS_Runtime.h
diff --git a/fpdfsdk/src/javascript/JS_Runtime.h b/fpdfsdk/src/javascript/JS_Runtime.h
index 6de2b705a5053c1be4fe32adaf6ef3ef511708f6..decc5539741c6faf085c7a2a627837ab29fcbbc7 100644
--- a/fpdfsdk/src/javascript/JS_Runtime.h
+++ b/fpdfsdk/src/javascript/JS_Runtime.h
@@ -59,13 +59,12 @@ class CJS_Runtime : public IJS_Runtime {
   v8::Local<v8::Context> NewJSContext();
 
 #ifdef PDF_ENABLE_XFA
-  // IJS_Runtime:
   FX_BOOL GetHValueByName(const CFX_ByteStringC& utf8Name,
                           FXJSE_HVALUE hValue) override;
   FX_BOOL SetHValueByName(const CFX_ByteStringC& utf8Name,
                           FXJSE_HVALUE hValue) override;
+#endif  // PDF_ENABLE_XFA
 
-#endif
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);