Make is failing

```
  "_wait$UNIX2003", referenced from:
      OSXPlatform::run_privileged() in libfiresheep.a(libfiresheep_la-osx_platform.o)
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[1]: *** [backend] Error 1
make: *** [all-recursive] Error 1
```