Fixed a style issue in slave.cpp.
Fixed a style issue in slave.cpp.

chhsia0/mesos,verizonlabs/mesos,kaysoky/mesos,verizonlabs/mesos,Aman-Jain-14/customizedMesos,chhsia0/mesos,jpeach/mesos,Gilbert88/mesos,neilconway/mesos,kaysoky/mesos,Aman-Jain-14/customizedMesos,zmalik/mesos,yuquanshan/customizedMesos,asamerh4/mesos,dforsyth/mesos,gsantovena/mesos,gsantovena/mesos,abudnik/mesos,Gilbert88/mesos,reneploetz/mesos,gsantovena/mesos,andschwa/mesos,dforsyth/mesos,Gilbert88/mesos,andschwa/mesos,Aman-Jain-14/customizedMesos,abudnik/mesos,dforsyth/mesos,yuquanshan/customizedMesos,asamerh4/mesos,verizonlabs/mesos,neilconway/mesos,asamerh4/mesos,zmalik/mesos,kaysoky/mesos,gsantovena/mesos,zmalik/mesos,neilconway/mesos,gsantovena/mesos,craimbert/mesos,andschwa/mesos,yuquanshan/customizedMesos,andschwa/mesos,jpeach/mesos,abudnik/mesos,abudnik/mesos,neilconway/mesos,jpeach/mesos,chhsia0/mesos,reneploetz/mesos,kaysoky/mesos,yuquanshan/customizedMesos,craimbert/mesos,abudnik/mesos,jpeach/mesos,reneploetz/mesos,jpeach/mesos,andschwa/mesos,dforsyth/mesos,Aman-Jain-14/customizedMesos,abudnik/mesos,jpeach/mesos,jpeach/mesos,chhsia0/mesos,asamerh4/mesos,yuquanshan/customizedMesos,Gilbert88/mesos,dforsyth/mesos,chhsia0/mesos,verizonlabs/mesos,andschwa/mesos,zmalik/mesos,asamerh4/mesos,Aman-Jain-14/customizedMesos,reneploetz/mesos,dforsyth/mesos,craimbert/mesos,andschwa/mesos,asamerh4/mesos,Gilbert88/mesos,reneploetz/mesos,dforsyth/mesos,abudnik/mesos,craimbert/mesos,chhsia0/mesos,Aman-Jain-14/customizedMesos,kaysoky/mesos,verizonlabs/mesos,Gilbert88/mesos,craimbert/mesos,Aman-Jain-14/customizedMesos,neilconway/mesos,kaysoky/mesos,yuquanshan/customizedMesos,gsantovena/mesos,verizonlabs/mesos,verizonlabs/mesos,zmalik/mesos,Gilbert88/mesos,zmalik/mesos,craimbert/mesos,yuquanshan/customizedMesos,neilconway/mesos,reneploetz/mesos,zmalik/mesos,asamerh4/mesos,neilconway/mesos,reneploetz/mesos,chhsia0/mesos,kaysoky/mesos,gsantovena/mesos,craimbert/mesos