Releases ownership of an OpenVMS Galaxy lock.
    Note that this system service is supported only in an OpenVMS
    Alpha Galaxy environment.
    For more information about programming with OpenVMS Galaxy system
    services, see the HP OpenVMS Alpha Partitioning and Galaxy Guide.
    Format
      SYS$RELEASE_GALAXY_LOCK  handle
    C Prototype
      int sys$release_galaxy_lock  (unsigned __int64 lock_handle);
1 – Arguments
 handle
    OpenVMS usage:galaxy lock handle
    type:         quadword (unsigned)
    access:       read
    mechanism:    input by value
    The 64-bit lock handle that identifies the lock to be released.
    This value is returned by SYS$CREATE_GALAXY_LOCK.