gst/tcp/gstmultifdsink.*: Recover from a select with a bad file descriptor by removin...

gst/tcp/gstmultifdsink.*: Recover from a select with a bad file descriptor by removing the client.

Original commit message from CVS:
* gst/tcp/gstmultifdsink.c: (gst_multifdsink_class_init),
(gst_multifdsink_add), (gst_multifdsink_remove),
(gst_multifdsink_clear), (gst_multifdsink_get_stats),
(gst_multifdsink_client_remove),
(gst_multifdsink_handle_client_write),
(gst_multifdsink_queue_buffer), (gst_multifdsink_handle_clients):
* gst/tcp/gstmultifdsink.h:
Recover from a select with a bad file descriptor by removing
the client.