Bug#755793: missing license in debian/copyright

[Thorsten Alteholz]

Package: openal-soft
Version: 1:1.15.1-1
Severity: serious
User: alteholz at debian.org
Usertags: ftp
X-Debbugs-CC: ftpmaster at ftp-master.debian.org
thanks

Dear Maintainer,

please add the missing licenses of:
  Alc/backends/opensl.c
  utils/makehrtf.c
to debian/copyright.

Thanks!
   Thorsten