Add type cast definitions for CPDF_Number.

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 81667cfa04ee8f654a2dcb2dfb05f361211d2b95..163323ad25a8e3a8bc1c4d81057eab2c905ef8b0 100644
--- a/fpdfsdk/src/javascript/Document.cpp
+++ b/fpdfsdk/src/javascript/Document.cpp
@@ -852,9 +852,10 @@ FX_BOOL Document::info(IJS_Context* cc,
           (pValueObj->GetType() == PDFOBJ_NAME))
         FXJS_PutObjectString(isolate, pObj, wsKey.c_str(),
                              pValueObj->GetUnicodeText().c_str());
-      if (pValueObj->GetType() == PDFOBJ_NUMBER)
+      if (pValueObj->IsNumber()) {
         FXJS_PutObjectNumber(isolate, pObj, wsKey.c_str(),
                              (float)pValueObj->GetNumber());
+      }
       if (pValueObj->IsBoolean()) {
         FXJS_PutObjectBoolean(isolate, pObj, wsKey.c_str(),
                               (bool)pValueObj->GetInteger());