crtools: Print error message with capital letter
crtools: Print error message with capital letter

We usually print error messages starting with capital letter.

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

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