tcgetattr() doesn't support 50 baud

[Lapo Luchini]

http://cygwin.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/fhandler_serial.cc?rev=1.66&content-type=text/x-cvsweb-markup&cvsroot=src
http://ecos.sourceware.org/ml/cygwin-patches/2005-q3/msg00071.html

It seems that support for 50 baud rate was forgotten, so... tcgetattr
returns "EINVAL" if the serial is set that way.
Setting it to 50 baud using tcsetattr works correctly though.

For the one of you wondering why on earth should anyone use 50 baud, the
answer is: DCF77 serial receivers ;-)

I'll try and add the support for B50 in in and send a patch ASAP.

-- 
Lapo Luchini
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www.lapo.it (Jabber, ICQ, MSN)