fix: int64 conversion for collector_id in datasource

Author: brewkode

sumologic/data_source_sumologic_http_source.go

@@ -55,7 +55,7 @@ func dataSourceSumologicHTTPSourceRead(d *schema.ResourceData, meta interface{})
 	c := meta.(*Client)
 
 	id, _ := strconv.Atoi(d.Id())
-	source, err := c.GetSourceName(d.Get("collector_id").(int64), d.Get("name").(string))
+	source, err := c.GetSourceName(int64(d.Get("collector_id").(int)), d.Get("name").(string))
 
 	if err != nil {
 		return err