git: bsd.sys.mk: Teach it about -Wunused-value (new with gcc4.9)

[John Marino]

commit b6e6d219fc552e5d731a1190db879b401f445dc7
Author: John Marino <draco at marino.st>
Date:   Tue Feb 10 23:16:21 2015 +0100

    bsd.sys.mk: Teach it about -Wunused-value (new with gcc4.9)

Summary of changes:
 share/mk/bsd.sys.mk | 3 +++
 1 file changed, 3 insertions(+)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/b6e6d219fc552e5d731a1190db879b401f445dc7


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