Subzero: Honor the Internal flag when filetype=asm.

When filetype=asm, the Internal flag of the Cfg wasn't being copied to the Assembler, so all symbols were made global.  This would cause multiply defined symbols in Spec, particularly main().

BUG= none
R=jvoung@chromium.org

Review URL: https://codereview.chromium.org/921043002
1 file changed