map: fix the compile against mac os x
map: fix the compile against mac os x

Got around to mac os x xcode download on mountain lion,
time to start getting this code into shape a bit on
compiling

Signed-off-by: Charles Hardin <913fd9d3fd31f5167d06afc32a103634e8c082db@gmail.com>

ckhardin/libcmap,ckhardin/libcmap