Fix Makefile
Fix Makefile

baidu/bfs,myawan/bfs-1,yvxiang/coverage_for_bfs,linyvxiang/dfs,imotai/bfs,linyvxiang/dfs,bluebore/bfs,lylei/dfs,myawan/bfs-1,yvxiang/dfs,lylei/dfs,yvxiang/dfs,yvxiang/dfs,bluebore/dfs,imotai/bfs,baidu/bfs,lylei/dfs,bluebore/bfs,bluebore/dfs,yvxiang/coverage_for_bfs,00k/ToyDFS,bluebore/dfs,lylei/dfs,baidu/bfs,bluebore/bfs,00k/ToyDFS,baidu/bfs,linyvxiang/dfs,yvxiang/coverage_for_bfs,myawan/bfs-1,yvxiang/coverage_for_bfs,yvxiang/dfs,myawan/bfs-1,imotai/bfs