K 10
svn:author
V 7
zeising
K 8
svn:date
V 27
2020-08-22T08:32:20.490828Z
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svn:log
V 213
MFH: r545562

net/bird2: Fix build with -fno-common

Fix the build of net/bird2 when compiled with -fno-common, which is the
default with llvm 11.

Approved by:	ports-secteam (joenum, implicit, -fno-common fixes)

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