Failures on Fedora-ppc64be-native-extended-gdbserver-m64, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	fedora-ppc64be-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-ppc64be-native-extended-gdbserver-m64/builds/4851>

Commit(s) tested:
	87ce03fdc5a94f48fe62580410a099c0a0f68ee0

Author(s) (in the same order as the commits):
	Tom Tromey <tom@tromey.com>

Subject:
	Use gdbpy_ref in py-linetable.c

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-ppc64be-native-extended-gdbserver-m64/87/87ce03fdc5a94f48fe62580410a099c0a0f68ee0/>