Fix link command for "pnacl-translate --use-sz -arch x86-32-linux".
Fix link command for "pnacl-translate --use-sz -arch x86-32-linux".

Subzero needs a pair of szrt*.o files, plus the "-lm" math library.

It's OK to add those files for non-Subzero builds as well.

BUG= none
R=dschuff@chromium.org

Review URL: https://codereview.chromium.org/1636573005 .

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client