Replace `(void*)0` with `NULL`.
authorFreeBirdLjj <ljj11011@mail.ustc.edu.cn>
Sat, 4 Oct 2014 12:31:26 +0000 (20:31 +0800)
committerFreeBirdLjj <ljj11011@mail.ustc.edu.cn>
Sat, 4 Oct 2014 12:31:26 +0000 (20:31 +0800)

No differences found