pie: paresite -- Print error codes from syscalls
pie: paresite -- Print error codes from syscalls

In case if we hit error returned from syscall, better
to print error code for easier understanding of the
protblem.

Signed-off-by: Cyrill Gorcunov <7a1ea01eee6961eb1e372e3508c2670446d086f4@openvz.org>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@parallels.com>

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