Failures on Ubuntu-AArch32-m32, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	ubuntu-trusty-aarch32-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Ubuntu-AArch32-m32/builds/752>

Commit(s) tested:
	9845682bda4149b5b3648f2d49a041aef5bc1af5

Author(s) (in the same order as the commits):
	Sergio Durigan Junior <sergiodj@redhat.com>

Subject:
	Include <signal.h> on gdbserver/fork-child.c (and fix regressions)

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Ubuntu-AArch32-m32/98/9845682bda4149b5b3648f2d49a041aef5bc1af5/>

*** Diff to previous build ***
============================
new FAIL: gdb.threads/interrupt-while-step-over.exp: displaced-stepping=off: iter=12: wait for stops
new FAIL: gdb.threads/interrupt-while-step-over.exp: displaced-stepping=off: iter=13: wait for stops
new FAIL: gdb.threads/interrupt-while-step-over.exp: displaced-stepping=off: iter=17: wait for stops
PASS -> FAIL: gdb.threads/pthreads.exp: check backtrace from thread 1
============================


*** Complete list of XFAILs for this builder ***

FAILURE TO OBTAIN THE COMMIT FOR THE XFAIL LIST.  PLEASE CONTACT THE BUILDBOT ADMIN.