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

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	fedora-x86-64-4

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Fedora-x86_64-native-extended-gdbserver-m32/builds/5841>

Commit(s) tested:
	c83dd8672698bcdf48d27e267e481230075f5900

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

Subject:
	Change increment_reading_symtab to return a scoped_restore

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Fedora-x86_64-native-extended-gdbserver-m32/c8/c83dd8672698bcdf48d27e267e481230075f5900/>