pb: Don't crash when showing empty repeated field
pb: Don't crash when showing empty repeated field

Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@parallels.com>

marcosnils/criu,rentzsch/criu,sdgdsffdsfff/criu,AuthenticEshkinKot/criu,tych0/criu,AuthenticEshkinKot/criu,eabatalov/criu,gonkulator/criu,tych0/criu,KKoukiou/criu-remote,kawamuray/criu,ldu4/criu,eabatalov/criu,wtf42/criu,ldu4/criu,svloyso/criu,fbocharov/criu,gonkulator/criu,LK4D4/criu,KKoukiou/criu-remote,kawamuray/criu,fbocharov/criu,efiop/criu,fbocharov/criu,marcosnils/criu,gablg1/criu,AuthenticEshkinKot/criu,AuthenticEshkinKot/criu,LK4D4/criu,LK4D4/criu,fbocharov/criu,rentzsch/criu,biddyweb/criu,sdgdsffdsfff/criu,gablg1/criu,gablg1/criu,marcosnils/criu,efiop/criu,gonkulator/criu,rentzsch/criu,gablg1/criu,kawamuray/criu,LK4D4/criu,efiop/criu,ldu4/criu,biddyweb/criu,marcosnils/criu,KKoukiou/criu-remote,tych0/criu,marcosnils/criu,tych0/criu,kawamuray/criu,fbocharov/criu,AuthenticEshkinKot/criu,svloyso/criu,fbocharov/criu,wtf42/criu,gonkulator/criu,wtf42/criu,wtf42/criu,gablg1/criu,svloyso/criu,eabatalov/criu,kawamuray/criu,biddyweb/criu,KKoukiou/criu-remote,efiop/criu,sdgdsffdsfff/criu,rentzsch/criu,KKoukiou/criu-remote,wtf42/criu,AuthenticEshkinKot/criu,ldu4/criu,gonkulator/criu,efiop/criu,sdgdsffdsfff/criu,sdgdsffdsfff/criu,gablg1/criu,ldu4/criu,eabatalov/criu,rentzsch/criu,sdgdsffdsfff/criu,efiop/criu,LK4D4/criu,svloyso/criu,ldu4/criu,gonkulator/criu,KKoukiou/criu-remote,rentzsch/criu,LK4D4/criu,biddyweb/criu,eabatalov/criu,tych0/criu,biddyweb/criu,eabatalov/criu,marcosnils/criu,svloyso/criu,kawamuray/criu,tych0/criu,biddyweb/criu,svloyso/criu,wtf42/criu