unity-control-center crashed with SIGSEGV in XInternAtom()

[Felix Gonzalez]

please review!

ProblemType: Crash
DistroRelease: Ubuntu 17.04
Package: unity-control-center 15.04.0+17.04.20170213-0ubuntu1
ProcVersionSignature: Ubuntu 4.10.0-9.11-generic 4.10.0
Uname: Linux 4.10.0-9-generic x86_64
ApportVersion: 2.20.4-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity:Unity8
Date: Sat Mar 4 01:05:17 2017
ExecutablePath: /usr/bin/unity-control-center
InstallationDate: Installed on 2016-11-08 (115 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
ProcCmdline: unity-control-center display
Signal: 11
SourcePackage: unity-control-center
StacktraceTop:
 XInternAtom () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/libunity-settings-daemon.so.1
 g_initable_new_valist () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 g_initable_new () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 gsd_rr_screen_new () from /usr/lib/x86_64-linux-gnu/libunity-settings-daemon.so.1
Title: unity-control-center crashed with SIGSEGV in XInternAtom()
UpgradeStatus: Upgraded to yakkety on 2017-03-04 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 XInternAtom (dpy=dpy@entry=0x562d2ef56fb0, name=name@entry=0x7f274db582d0 "ConnectorType", onlyIfExists=onlyIfExists@entry=0) at ../../src/IntAtom.c:174
 gsd_rr_screen_initable_init (initable=<optimized out>, canc=<optimized out>, error=0x7ffc2b2dc958) at gsd-rr.c:735
 g_initable_new_valist () from /tmp/apport_sandbox_iTLPUl/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 g_initable_new () from /tmp/apport_sandbox_iTLPUl/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 gsd_rr_screen_new (screen=0x562d2ef53400, error=error@entry=0x7ffc2b2dc958) at gsd-rr.c:973