20:04 marino 

games/warmux: add <unistd.h> for modern compilers

The DEBUG option, which is now default, sets the -Werror flag that was
removed with a sed replace command for some makefiles.  Newer compilers
will pick up set-but-unused errors so -Werror really has to be disabled
everywhere on newer compilers.

Approved by:	portmgr (bapt, implicit)