hake: Fixed code that merges static libraries to not roll dice when including multiple .o files with the same name.
hake: Fixed code that merges static libraries to not roll dice when including multiple .o files with the same name.

linusyang/barrelfish,kishoredbn/barrelfish,BarrelfishOS/barrelfish,8l/barrelfish,BarrelfishOS/barrelfish,8l/barrelfish,BarrelfishOS/barrelfish,mslovy/barrelfish,linusyang/barrelfish,utsav2601/cmpe295A,kishoredbn/barrelfish,mslovy/barrelfish,BarrelfishOS/barrelfish,utsav2601/cmpe295A,utsav2601/cmpe295A,linusyang/barrelfish,BarrelfishOS/barrelfish,8l/barrelfish,mslovy/barrelfish,utsav2601/cmpe295A,kishoredbn/barrelfish,kishoredbn/barrelfish,linusyang/barrelfish,8l/barrelfish,kishoredbn/barrelfish,BarrelfishOS/barrelfish,mslovy/barrelfish,mslovy/barrelfish,BarrelfishOS/barrelfish,mslovy/barrelfish,kishoredbn/barrelfish,linusyang/barrelfish,8l/barrelfish,8l/barrelfish,utsav2601/cmpe295A,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,utsav2601/cmpe295A