reorder tests so usb/disk does not suicide on some sd cards I have,
sadly it doesn't work with them either (device with short descriptor)

-Steve

Reference: /n/sources/patch/usb.disk-suicide
Date: Thu Feb  5 12:29:32 CET 2015
Signed-off-by: steve@quintile.net

--- /sys/src/cmd/usb/disk/disk.c	Thu Feb  5 12:17:06 2015
+++ /sys/src/cmd/usb/disk/disk.c	Thu Feb  5 12:17:01 2015
@@ -661,20 +661,22 @@
 	for(i = 0; i < nelem(ud->ep); i++){
 		if((ep = ud->ep[i]) == nil)
 			continue;
+		if(ep->type != Ebulk)
+			continue;
+
 		csp = ep->iface->csp;
 		sc = Subclass(csp);
 		if(!(Class(csp) == Clstorage && (Proto(csp) == Protobulk)))
 			continue;
 		if(sc != Subatapi && sc != Sub8070 && sc != Subscsi)
 			fprint(2, "disk: subclass %#ulx not supported. trying anyway\n", sc);
-		if(ep->type == Ebulk){
-			if(ep->dir == Eboth || ep->dir == Ein)
-				if(epin == -1)
-					epin =  ep->id;
-			if(ep->dir == Eboth || ep->dir == Eout)
-				if(epout == -1)
-					epout = ep->id;
-		}
+
+		if(ep->dir == Eboth || ep->dir == Ein)
+			if(epin == -1)
+				epin =  ep->id;
+		if(ep->dir == Eboth || ep->dir == Eout)
+			if(epout == -1)
+				epout = ep->id;
 	}
 	dprint(2, "disk: ep ids: in %d out %d\n", epin, epout);
 	if(epin == -1 || epout == -1)