fixed 2 memory leaks in SFTPClient::list()
fixed 2 memory leaks in SFTPClient::list()


git-svn-id: dbc68f0b3ebff6170ec751fd0bec19d546e54392@3632 1b0b35fe-f740-4c1b-b404-a338b32e513b

qorelanguage/module-ssh2,qorelanguage/module-ssh2,qorelanguage/module-ssh2