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/5259>

Commit(s) tested:
	7503099f3e29739d34cb1224d54fba96404e6e61

Author(s) (in the same order as the commits):
	Jonah Graham <jonah@kichwacoders.com>

Subject:
	Fix PR gdb/19637: bound_registers.py: Add support for Python 3

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-ppc64be-native-extended-gdbserver-m64/75/7503099f3e29739d34cb1224d54fba96404e6e61/>