changes.src: put \c{...} around macro directives
changes.src: put \c{...} around macro directives

Put \c{...} around macro directives.  Not the only ones that should
have that, of course, but they were easy to do with search and replace.

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