Commit 5aa5c6c196b23acabca3e2c8a6724cb08485acdc

freebsd: implement pa_get_binary_name

Stolen from
http://www.freebsd.org/cgi/cvsweb.cgi/ports/audio/pulseaudio/files/patch-src_pulse_util.c?rev=1.1
and fixed for indentation.
  
189189 return s;
190190 }
191191 }
192#endif
192193
194#ifdef __FreeBSD__
195 {
196 char *rp;
197
198 if ((rp = pa_readlink("/proc/curproc/file"))) {
199 pa_strlcpy(s, pa_path_get_filename(rp), l);
200 pa_xfree(rp);
201 return s;
202 }
203 }
193204#endif
194205
195206#if defined(HAVE_SYS_PRCTL_H) && defined(PR_GET_NAME)