Makefile.lib: Use trap to avoid leaking .d.$$ files.
Makefile.lib: Use trap to avoid leaking .d.$$ files.

paulproteus/livegrep,paulproteus/livegrep,wfxiang08/livegrep,paulproteus/livegrep,paulproteus/livegrep,lekkas/livegrep,lekkas/livegrep,lekkas/livegrep,wfxiang08/livegrep,wfxiang08/livegrep,lekkas/livegrep,lekkas/livegrep,wfxiang08/livegrep,paulproteus/livegrep,lekkas/livegrep,paulproteus/livegrep,wfxiang08/livegrep,wfxiang08/livegrep