uvideo patches: endpoint address vs index 0 [2/4]

[patrick keshishian]

2/4: Assumption on endpoint index to use in uvideo_vs_open() vs
     actual saved endpoint address.

Index: uvideo.c
===================================================================
RCS file: /cvs/obsd/src/sys/dev/usb/uvideo.c,v
retrieving revision 1.185
diff -u -p -u -p -r1.185 uvideo.c
--- uvideo.c    17 May 2016 08:27:17 -0000      1.185
+++ uvideo.c    17 May 2016 22:53:11 -0000
@@ -1819,7 +1819,8 @@ uvideo_vs_open(struct uvideo_softc *sc)
                return (error);
        }
 
-       ed = usbd_interface2endpoint_descriptor(sc->sc_vs_cur->ifaceh, 0);
+       ed = usbd_get_endpoint_descriptor(sc->sc_vs_cur->ifaceh,
+           sc->sc_vs_cur->endpoint);
        if (ed == NULL) {
                printf("%s: no endpoint descriptor for VS iface\n",
                    DEVNAME(sc));