Failures on Fedora-ppc64le-native-extended-gdbserver-m64, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	fedora-ppc64le-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-ppc64le-native-extended-gdbserver-m64/builds/5272>

Commit(s) tested:
	2cad08ea7dbc96103da9957da6973f9d0dbc33a8

Author(s) (in the same order as the commits):
	Yao Qi <yao.qi@linaro.org>

Subject:
	Use frame_unwind_register_value in frame_unwind_register_unsigned

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-ppc64le-native-extended-gdbserver-m64/2c/2cad08ea7dbc96103da9957da6973f9d0dbc33a8/>