Failures on Fedora-x86_64-native-gdbserver-m32, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	fedora-x86-64-2

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-x86_64-native-gdbserver-m32/builds/8550>

Commit(s) tested:
	a7b2d0fbeb4ca22ffbf56d19d06b7d1cb774e383

Author(s) (in the same order as the commits):
	Simon Marchi <simon.marchi@ericsson.com>

Subject:
	linux-nat: Remove unnecessary xstrdup

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-x86_64-native-gdbserver-m32/a7/a7b2d0fbeb4ca22ffbf56d19d06b7d1cb774e383/>

*** Failed to update master GDB git repository.  The build can continue. ***