Fix the Mac build again.
Fix the Mac build again.

Mac OS' ancient fork of gas(1) requires us to differentiate between
literals used in macros and literals used elsewhere.

Change-Id: I602c7d9ca6e00e20e16dfc4ad2a5521c3e265a07

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst