Add type cast definitions for CPDF_Boolean.

fpdfsdk/src/javascript/Document.cpp

Index: fpdfsdk/src/javascript/Document.cpp
diff --git a/fpdfsdk/src/javascript/Document.cpp b/fpdfsdk/src/javascript/Document.cpp
index 24f55b03f91e350a0703cb5adbccfc101fb1e830..81667cfa04ee8f654a2dcb2dfb05f361211d2b95 100644
--- a/fpdfsdk/src/javascript/Document.cpp
+++ b/fpdfsdk/src/javascript/Document.cpp
@@ -855,9 +855,10 @@ FX_BOOL Document::info(IJS_Context* cc,
       if (pValueObj->GetType() == PDFOBJ_NUMBER)
         FXJS_PutObjectNumber(isolate, pObj, wsKey.c_str(),
                              (float)pValueObj->GetNumber());
-      if (pValueObj->GetType() == PDFOBJ_BOOLEAN)
+      if (pValueObj->IsBoolean()) {
         FXJS_PutObjectBoolean(isolate, pObj, wsKey.c_str(),
                               (bool)pValueObj->GetInteger());
+      }
     }
     vp << pObj;
   }