fix doc for ap_pregsub_ex() return code
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@
1495502 13f79535-47bb-0310-9956-
ffa450edef68
* @param nmatch the nmatch returned from ap_pregex
* @param pmatch the pmatch array returned from ap_pregex
* @param maxlen the maximum string length to return, 0 for unlimited
- * @return The substituted string, or NULL on error
+ * @return APR_SUCCESS if successful, APR_ENOMEM or other error code otherwise.
*/
AP_DECLARE(apr_status_t) ap_pregsub_ex(apr_pool_t *p, char **result,
const char *input, const char *source,