missing <unistd.h> in some files

[DexterMagnific]

Hi,

<unistd.h> is missing in the following files

• src/check_msg.c
• tests/check_check_fork.c
• tests/check_check_master.c

Regards

[mikkoi]

I have fixed this in f00f503

[mikkoi]

Solved in f63378c
Merged to master.

[jflopezfernandez]

@brarcher Can this issue be closed?

[brarcher]

Yep, thanks