fhandler_tty_slave::tcflush() in fhandler_tty.cc

[Vaclav Haisman]

fhandler_tty_slave::tcflush() is IMHO still wrong. The result of comparison 
is bool and bool converted to int is either 1 or 0. The following patch 
should cure it.

VH


2005-08-05  Vaclav Haisman  <v.haisman@sh.cvut.cz>

 * fhandler_tty.cc (fhandler_tty_slave::tcflush): Return either 0
 or -1.
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