crosstool-ng: fix python 2.5 compatiblity of do_save_tarballs
crosstool-ng: fix python 2.5 compatiblity of do_save_tarballs

diorcety/oe-lite-core,sknsean/core,sknsean/core,hundeboll/core,sknsean/core,hundeboll/core,sknsean/core,hundeboll/core,diorcety/oe-lite-core,sknsean/core,hundeboll/core