oss audio: do not use blocking read (workaround for Neuros OSD 2, linux-2.6.23-davinici1)

This is a workaround for the Neuros OSD 2 linux kernel 2.6.23. Since vlc does a poll before a read it is guaranteed that there is data, thus using O_NONBLOCK does not really add any advantage here.

modules/access/oss.c

@@ -343,7 +343,7 @@ static int OpenAudioDevOss( demux_t *p_demux )
     int i_fd;
     int i_format;
 
-    i_fd = open( p_demux->p_sys->psz_device, O_RDONLY | O_NONBLOCK );
+    i_fd = open( p_demux->p_sys->psz_device, O_RDONLY /*| O_NONBLOCK*/ );
 
     if( i_fd < 0 )
     {
@@ -419,7 +419,7 @@ static int OpenAudioDev( demux_t *p_demux )
 static bool ProbeAudioDevOss( demux_t *p_demux, const char *psz_device )
 {
     int i_caps;
-    int i_fd = open( psz_device, O_RDONLY | O_NONBLOCK );
+    int i_fd = open( psz_device, O_RDONLY /*| O_NONBLOCK*/ );
 
     if( i_fd < 0 )
     {