Fix JacksonModel duplicate row

Author: atorralba

java/ql/src/semmle/code/java/frameworks/jackson/JacksonSerializability.qll

@@ -287,7 +287,7 @@ private class JacksonModel extends SummaryModelCsv {
         "com.fasterxml.jackson.databind;ObjectMapper;true;valueToTree;;;MapValue of Argument[0];ReturnValue;taint",
         "com.fasterxml.jackson.databind;ObjectMapper;true;convertValue;;;Argument[0];ReturnValue;taint",
         "com.fasterxml.jackson.databind;ObjectMapper;false;createParser;;;Argument[0];ReturnValue;taint",
-        "com.fasterxml.jackson.databind;ObjectMapper;false;createParser;;;Argument[0];ReturnValue;taint",
+        "com.fasterxml.jackson.databind;ObjectReader;false;createParser;;;Argument[0];ReturnValue;taint",
         "com.fasterxml.jackson.core;JsonFactory;false;createParser;;;Argument[0];ReturnValue;taint"
       ]
   }