Rename $link parameters to $ldap in ldap functions

Also fixed ldap_set_option places where $newvalue was still used

Author: Côme Chilliet

ext/ldap/ldap.c

@@ -1601,12 +1601,12 @@ static void php_ldap_do_search(INTERNAL_FUNCTION_PARAMETERS, int scope)
 		}
 
 		if (!base_dn_str) {
-			zend_argument_type_error(2, "must be of type string when argument #1 ($link_identifier) is a resource");
+			zend_argument_type_error(2, "must be of type string when argument #1 ($ldap) is a resource");
 		}
 		ldap_base_dn = zend_string_copy(base_dn_str);
 
 		if (!filter_str) {
-			zend_argument_type_error(3, "must be of type string when argument #1 ($link_identifier) is a resource");
+			zend_argument_type_error(3, "must be of type string when argument #1 ($ldap) is a resource");
 		}
 		ldap_filter = zend_string_copy(filter_str);