patch to de-K&R-ify src/lib/libc/regex/*.c

[Chris Pressey]

The attached patch updates the K&R function definitions in the sources
in src/lib/libc/regex to ANSI C.  It also removes the 'register'
keywords in variable declarations.

Only perfunctorily tested so far (libc compiles.)

-Chris
Attachment:
regex.diff.gz
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