res_pjsip_registrar.c: Remove unnecessary CMP_STOP.

Most uses of CMP_STOP are superfluous and are only respected when
OBJ_MULTIPLE is used to search the container.

Change-Id: I20571a202ec0aa1098bb2749eeba18de7ca110b8

res/res_pjsip_registrar.c

@@ -123,7 +123,7 @@ static int registrar_find_contact(void *obj, void *arg, int flags)
 	const struct registrar_contact_details *details = arg;
 	pjsip_uri *contact_uri = pjsip_parse_uri(details->pool, (char*)contact->uri, strlen(contact->uri), 0);
 
-	return (pjsip_uri_cmp(PJSIP_URI_IN_CONTACT_HDR, details->uri, contact_uri) == PJ_SUCCESS) ? CMP_MATCH | CMP_STOP : 0;
+	return (pjsip_uri_cmp(PJSIP_URI_IN_CONTACT_HDR, details->uri, contact_uri) == PJ_SUCCESS) ? CMP_MATCH : 0;
 }
 
 /*! \brief Internal function which validates provided Contact headers to confirm that they are acceptable, and returns number of contacts */