Fix the --implicit-deps-unchanged test so it works correctly regardless of whether or not the compiler inserts timestamp information in the generated object files.
Fix the --implicit-deps-unchanged test so it works correctly regardless
of whether or not the compiler inserts timestamp information in the
generated object files.

Distrotech/scons,Distrotech/scons,Distrotech/scons,Distrotech/scons,Distrotech/scons