minor correction to create http table

DockerContainers/ClinicalTrialHistory/docker-entrypoint-initdb.d/020_HttpSchema.sql

@@ -23,7 +23,7 @@ As not every request will have an xml doc, split them.
 CREATE TABLE IF NOT EXISTS http.responses (
     id SERIAL PRIMARY KEY, 
     nct VARCHAR(15),
-    version SMALLINT
+    version SMALLINT,
     url VARCHAR(255),
     response_code SMALLINT,
     response_date DATE