Fix build in classic only configuration

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@3580 0c269be4-1314-0410-8aa9-9f06e86f4224

linux/alsa/JackAlsaDriver.cpp

@@ -2159,7 +2159,6 @@ int JackAlsaDriver::Detach()
     return JackAudioDriver::Detach();
 }
 
-#if defined(JACK_DBUS)
 static int card_to_num(const char* device) 
 {
     int err;
@@ -2199,7 +2198,6 @@ free:
 fail:
     return i;
 }
-#endif
 
 int JackAlsaDriver::Open(jack_nframes_t nframes,
                          jack_nframes_t user_nperiods,