chore: fix custom field writing

DavidRouyer · DavidRouyer · commit e76e5d3dbebc · 2018-05-14T12:55:17.000+02:00
diff --git a/src/Pipedrive.net/Converters/CustomFieldConverter.cs b/src/Pipedrive.net/Converters/CustomFieldConverter.cs
@@ -145,7 +145,7 @@ public override void WriteJson(JsonWriter writer, object value, JsonSerializer s
             IDictionary<string,IField> customFields = ((IEntityWithCustomFields)value).CustomFields;
             foreach(var field in customFields)
             {
-                if (field.Value != null)
+                if (field.Value == null)
                 {
                     o.Add(field.Key, null);
                 } else {

Original file line number	Diff line number	Diff line change
`@@ -145,7 +145,7 @@ public override void WriteJson(JsonWriter writer, object value, JsonSerializer s`
`145`	`145`	`IDictionary<string,IField> customFields = ((IEntityWithCustomFields)value).CustomFields;`
`146`	`146`	`foreach(var field in customFields)`
`147`	`147`	`{`
`148`		`- if (field.Value != null)`
	`148`	`+ if (field.Value == null)`
`149`	`149`	`{`
`150`	`150`	`o.Add(field.Key, null);`
`151`	`151`	`} else {`