unpack generator in setComponents() for add() attributes (#2112)

Author: azoxlpf

impacket/ldap/ldap.py

@@ -570,7 +570,7 @@ def add(self, dn, objectClass, attributes=None, controls=None):
         for key, value in attributes.items():
             addRequest['attributes'][index]['type'] = key
             if isinstance(value, list):
-                addRequest['attributes'][index]['vals'].setComponents(str(val) if isinstance(val, int) else val for val in value)
+                addRequest['attributes'][index]['vals'].setComponents(*(str(val) if isinstance(val, int) else val for val in value))
             else:
                 addRequest['attributes'][index]['vals'].setComponents(str(value) if isinstance(value, int) else value)
             index += 1