Failures on Debian-s390x-native-extended-gdbserver-m64, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	debian-jessie-s390x-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Debian-s390x-native-extended-gdbserver-m64/builds/4121>

Commit(s) tested:
	0e7b8f61069f1219ca53a9dd927ba55c9a7eefd4

Author(s) (in the same order as the commits):
	Simon Marchi <simon.marchi@ericsson.com>

Subject:
	Remove remaining reference to struct serial::current_timeout

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Debian-s390x-native-extended-gdbserver-m64/0e/0e7b8f61069f1219ca53a9dd927ba55c9a7eefd4/>