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

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	fedora-ppc64le-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-ppc64le-native-gdbserver-m64/builds/4787>

Commit(s) tested:
	572a5524c1eb50d8064a44108fd0ef22a0e63bf8

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

Subject:
	Use gdbpy_enter in gdbpy_get_matching_xmethod_workers

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-ppc64le-native-gdbserver-m64/57/572a5524c1eb50d8064a44108fd0ef22a0e63bf8/>