Fix disconnect() code

The disconnect() function were not checking the existence of the file
transfer area element, leading to stop the disconnect() before its end.

Signed-off-by: Jeremy White <jwhite@codeweavers.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/spice_auto.html b/spice_auto.html
index 08db248..71c6556 100644
--- a/spice_auto.html
+++ b/spice_auto.html
@@ -142,7 +142,9 @@
                 if (window.File && window.FileReader && window.FileList && window.Blob)
                 {
                     var spice_xfer_area = document.getElementById('spice-xfer-area');
-                    document.getElementById('spice-area').removeChild(spice_xfer_area);
+                    if (spice_xfer_area != null) {
+                      document.getElementById('spice-area').removeChild(spice_xfer_area);
+                    }
                     document.getElementById('spice-area').removeEventListener('dragover', SpiceHtml5.handle_file_dragover, false);
                     document.getElementById('spice-area').removeEventListener('drop', SpiceHtml5.handle_file_drop, false);
                 }