DocFormat - fix bug (read unknown record)

ASCOfficeDocFile/DocDocxConverter/OfficeDrawing/RecordFactory.cpp

@@ -74,7 +74,8 @@ namespace DocFileFormat
 			if (pRecord)
 			{
 				result = pRecord->NewObject (reader, size, typeCode, version, instance);
-				result->SiblingIdx			=	siblingIdx;
+				if (result)
+					result->SiblingIdx			=	siblingIdx;
 				RELEASEOBJECT(pRecord);
 			}
 		}

ASCOfficeDocFile/DocDocxConverter/OfficeDrawing/UnknownRecord.h

@@ -66,7 +66,7 @@ namespace DocFileFormat
 
 	  virtual Record* NewObject( IBinaryReader* _reader, unsigned int bodySize, unsigned int typeCode, unsigned int version, unsigned int instance )
 	  {
-	    return new UnknownRecord( _reader, bodySize, typeCode, version, instance );
+	    return NULL;//new UnknownRecord( _reader, bodySize, typeCode, version, instance );
 	  }
   };
 }
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