git: libc: __atfork() is only used by the WR() in this file, so make it static.

[Sascha Wildner]

commit 0d67d37082bc17db3f45427ae36fbef312d2831a
Author: Sascha Wildner <saw at online.de>
Date:   Sun Feb 2 01:05:58 2014 +0100

    libc: __atfork() is only used by the WR() in this file, so make it static.
    
    Also mark it __used.
    
    This silences a -Wmissing-prototypes warning.

Summary of changes:
 lib/libc/gen/Symbol.map       | 1 -
 lib/libc/gen/_pthread_stubs.c | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/0d67d37082bc17db3f45427ae36fbef312d2831a


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