Handle 3.7 VNC clients authentication correctly (Dan Kenigsberg).


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3498 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/vnc.c b/vnc.c
index 83d0011..88cca3b 100644
--- a/vnc.c
+++ b/vnc.c
@@ -1806,7 +1806,10 @@
        switch (vs->auth) {
        case VNC_AUTH_NONE:
            VNC_DEBUG("Accept auth none\n");
-           vnc_write_u32(vs, 0); /* Accept auth completion */
+           if (vs->minor >= 8) {
+               vnc_write_u32(vs, 0); /* Accept auth completion */
+               vnc_flush(vs);
+           }
            vnc_read_when(vs, protocol_client_init, 1);
            break;