K 10
svn:author
V 6
kevans
K 8
svn:date
V 27
2020-04-06T23:08:07.189731Z
K 7
svn:log
V 269
kqueue tests: fix -fno-common build

vnode_fd and kqfd are both shared among multiple CU; define them exactly
once.

In the case of vnode_fd, it was simply the declaration that needed
correction.

-fno-common will become the default in GCC10/LLVM11.

MFC after:	3 days

END