[LTP] [PATCH] syscalls/ptrace07.c: Fix compilation without WIFEXITED and WEXITSTATUS

[Jan Stancek]

----- Original Message -----
> Compilation failed on some older distributions due to undefined
> WIFEXITED and WEXITSTATUS, so we include sys/wait.h to fix it.
> 
> Signed-off-by: Jinhui Huang <huangjh.jy@cn.fujitsu.com>

Pushed.

Thanks,
Jan