Fixed compiler warnings in oversubscription tests.
Fixed compiler warnings in oversubscription tests.

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