Fix swapped loop indexes.
Remove bogus test.

    dcl should never be null, and if it is, we probably already
    crashed.
Wrap up syscall args in trivial 'a()' function.

    This shouldn't even cost performance once we have an inliner...
Merge branch 'master' of git+ssh://mimir.eigenstate.org/git/ori/mc

Conflicts:
	libstd/sys-linux.myr