[tools] omit warning in make lib_deps for empty lines (before coda)
[tools] omit warning in make lib_deps for empty lines (before coda)

The code added two empty lines at tools/dev/lib_deps.pl

FROGGS/parrot,FROGGS/parrot,parrot/parrot,parrot/parrot,youprofit/parrot,youprofit/parrot,youprofit/parrot,youprofit/parrot,tkob/parrot,FROGGS/parrot,tkob/parrot,tkob/parrot,youprofit/parrot,FROGGS/parrot,parrot/parrot,youprofit/parrot,tkob/parrot,tkob/parrot,youprofit/parrot,parrot/parrot,tkob/parrot,youprofit/parrot,FROGGS/parrot,FROGGS/parrot,tkob/parrot,FROGGS/parrot,tkob/parrot,FROGGS/parrot,parrot/parrot