fixed exception handling for auditing interceptor

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/server/interceptor/AuditingInterceptor.java

@@ -60,7 +60,7 @@ public class AuditingInterceptor extends InterceptorAdapter {
 		}
 	}
 
-	private void store(SecurityEvent auditEvent) {
+	private void store(SecurityEvent auditEvent) throws Exception {
 		if(myDataStore == null) throw new InternalErrorException("No data store provided to persist audit events");
 		myDataStore.store(auditEvent);
 	}