Fix bug #68166

We can't always efree here
php_escape_html_entities can return an interned_empty_string

Author: rlerdorf

main/main.c

@@ -1157,7 +1157,7 @@ static void php_error_cb(int type, const char *error_filename, const uint error_
 						size_t len;
 						char *buf = php_escape_html_entities(buffer, buffer_len, &len, 0, ENT_COMPAT, NULL TSRMLS_CC);
 						php_printf("%s<br />\n<b>%s</b>:  %s in <b>%s</b> on line <b>%d</b><br />\n%s", STR_PRINT(prepend_string), error_type_str, buf, error_filename, error_lineno, STR_PRINT(append_string));
-						efree(buf);
+						str_efree(buf);
 					} else {
 						php_printf("%s<br />\n<b>%s</b>:  %s in <b>%s</b> on line <b>%d</b><br />\n%s", STR_PRINT(prepend_string), error_type_str, buffer, error_filename, error_lineno, STR_PRINT(append_string));
 					}