Failures on Debian-s390x-native-extended-gdbserver-m64, branch gdb-8.1-branch

[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/5470>

Commit(s) tested:
	c0c0270a9a38e1e888e9d6f0185b465d3751f518

Author(s) (in the same order as the commits):
	Joel Brobecker <brobecker@adacore.com>

Subject:
	gdbserver/Windows: Fix "no program to debug" error

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Debian-s390x-native-extended-gdbserver-m64/c0/c0c0270a9a38e1e888e9d6f0185b465d3751f518/>