darwin: use GetPipePropertiesV3 on 10.9 and later

Apple added the GetPipePropertiesV3 in IOUSBFamily version 550. The old
function appears to be deprecated. When 10.8.x and older are no longer
supported the GetPipeProperties call should be removed.

Signed-off-by: Nathan Hjelm <hjelmn@google.com>

libusb/os/darwin_usb.c

diff --git a/libusb/os/darwin_usb.c b/libusb/os/darwin_usb.c
index e6e4943..a1474ba 100644
--- a/libusb/os/darwin_usb.c
+++ b/libusb/os/darwin_usb.c
@@ -1770,11 +1770,16 @@
 
   IOReturn               ret;
   uint8_t                transferType;
-  /* None of the values below are used in libusbx for bulk transfers */
-  uint8_t                direction, number, interval, pipeRef;
+  uint8_t                pipeRef;
   uint16_t               maxPacketSize;
 
   struct darwin_interface *cInterface;
+#if InterfaceVersion >= 550
+  IOUSBEndpointProperties pipeProperties;
+#else
+  /* None of the values below are used in libusb for bulk transfers */
+  uint8_t                 direction, number, interval;
+#endif
 
   if (ep_to_pipeRef (transfer->dev_handle, transfer->endpoint, &pipeRef, NULL, &cInterface) != 0) {
     usbi_err (TRANSFER_CTX (transfer), "endpoint not found on any open interface");
@@ -1782,8 +1787,15 @@
     return LIBUSB_ERROR_NOT_FOUND;
   }
 
+#if InterfaceVersion >= 550
+  ret = (*(cInterface->interface))->GetPipePropertiesV3 (cInterface->interface, pipeRef, &pipeProperties);
+
+  transferType = pipeProperties.bTransferType;
+  maxPacketSize = pipeProperties.wMaxPacketSize;
+#else
   ret = (*(cInterface->interface))->GetPipeProperties (cInterface->interface, pipeRef, &direction, &number,
                                                        &transferType, &maxPacketSize, &interval);
+#endif
 
   if (ret) {
     usbi_err (TRANSFER_CTX (transfer), "bulk transfer failed (dir = %s): %s (code = 0x%08x)", IS_XFERIN(transfer) ? "In" : "Out",

libusb/version_nano.h

diff --git a/libusb/version_nano.h b/libusb/version_nano.h
index 2b653c5..2b710bd 100644
--- a/libusb/version_nano.h
+++ b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 11519
+#define LIBUSB_NANO 11520