include/lockfree_queue.hの修正 SEGV対応（spin ver)
include/lockfree_queue.hの修正
SEGV対応（spin ver)



git-svn-id: 0930b66baa5e2e0a6692efdeea927b533cefb008@7924 1ed66053-1c2d-0410-8867-f7571e6e31d3

chi9rin/ultramonkey-l7v3,chi9rin/ultramonkey-l7v3,chi9rin/ultramonkey-l7v3,chi9rin/ultramonkey-l7v3