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

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	fedora-ppc64be-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-ppc64be-native-gdbserver-m64/builds/5006>

Commit(s) tested:
	cc16242794b13a5f942badcfffb03be5d81f14f7

Author(s) (in the same order as the commits):
	Andrew Waterman <andrew@sifive.com>

Subject:
	Fix segfault when .plt section does not exist

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-ppc64be-native-gdbserver-m64/cc/cc16242794b13a5f942badcfffb03be5d81f14f7/>