git: buildworld - Fix bootstrapping from older worlds

[Matthew Dillon]

commit f1fee7c557f3fed15d63c8cdb7e2e9703b984731
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Sat Aug 1 11:51:39 2015 -0700

    buildworld - Fix bootstrapping from older worlds
    
    * __returns_twice doesn't exist in older sys/cdefs.h, fix bootstrapping by
      shoehorning a default if it does not exist.

Summary of changes:
 include/setjmp.h | 4 ++++
 include/unistd.h | 4 ++++
 2 files changed, 8 insertions(+)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/f1fee7c557f3fed15d63c8cdb7e2e9703b984731


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