examples: fix 2 compiler warnings

sam3u_benchmark.c:54:17: warning: comparison of integers of different signs:
      'unsigned int' and 'int' [-Wsign-compare]
                for (i = 0; i < xfr->num_iso_packets; i++) {
                            ~ ^ ~~~~~~~~~~~~~~~~~~~~
sam3u_benchmark.c:67:16: warning: comparison of integers of different signs:
      'unsigned int' and 'int' [-Wsign-compare]
        for (i = 0; i < xfr->actual_length; i++) {
                    ~ ^ ~~~~~~~~~~~~~~~~~~

Signed-off-by: Ludovic Rousseau <ludovic.rousseau@free.fr>
diff --git a/examples/sam3u_benchmark.c b/examples/sam3u_benchmark.c
index 99d6b0f..7189b22 100644
--- a/examples/sam3u_benchmark.c
+++ b/examples/sam3u_benchmark.c
@@ -42,7 +42,7 @@
 
 static void LIBUSB_CALL cb_xfr(struct libusb_transfer *xfr)
 {
-	unsigned int i;
+	int i;
 
 	if (xfr->status != LIBUSB_TRANSFER_COMPLETED) {
 		fprintf(stderr, "transfer status %d\n", xfr->status);
diff --git a/libusb/version_nano.h b/libusb/version_nano.h
index e27a754..34110b0 100644
--- a/libusb/version_nano.h
+++ b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 11085
+#define LIBUSB_NANO 11086