outcoff: BR 2685756: fix SAFESEH with an internal symbol
outcoff: BR 2685756: fix SAFESEH with an internal symbol

Fix the SAFESEH directive for the specific case of a symbol internal
to the program.  With the optimizer enabled, it would otherwise fail
unless the symbol is external.

techkey/nasm,techkey/nasm,projedi/nasm,Distrotech/nasm,projedi/nasm,turingstudio/nasm,turingstudio/nasm,Distrotech/nasm,letolabs/nasm,turingstudio/nasm,letolabs/nasm,turingstudio/nasm,Distrotech/nasm,projedi/nasm,techkey/nasm,projedi/nasm,projedi/nasm,Distrotech/nasm,techkey/nasm,letolabs/nasm,techkey/nasm