6269742 gcc and cmd/face don't get along (fix SOS10 build)

[kenjiro.ts...@sun.com]

Author: muffin
Repository: /hg/onnv/onnv-gate
Revision: 7d1aa39b40cee2e8596baaf1184ab7547e5e9fbf
Log message:
6269742 gcc and cmd/face don't get along (fix SOS10 build)

Files:
        update: usr/src/cmd/face/src/filecab/fileb/termtest.c