open OSS audio device as write only (malc)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1524 c046a42c-6fe2-441c-8c8c-71466251a162

audio/ossaudio.c

@@ -127,7 +127,7 @@ static int oss_open (struct oss_params *req, struct oss_params *obt, int *pfd)
     int fmt, freq, nchannels;
     const char *dspname = conf.dspname;
 
-    fd = open (dspname, O_RDWR | O_NONBLOCK);
+    fd = open (dspname, O_WRONLY | O_NONBLOCK);
     if (-1 == fd) {
         dolog ("Could not initialize audio hardware. Failed to open `%s':\n"
                "Reason:%s\n",