x86/syscalls-x86-64.sh: fix bashisms
x86/syscalls-x86-64.sh: fix bashisms

syscalls-x86-64.sh: 3: syscalls-x86-64.sh: Syntax error: "(" unexpected

Signed-off-by: Konstantin Khlebnikov <3b96b99f19643d33e1bfa1caa535c041c3608549@openvz.org>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@parallels.com>

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