ath5k: Print stats as unsigned ints.

The debugfs code for ath5k was printing some unsigned int
stats with %d instead of %u.  This meant that you could see
negative numbers instead of a clean wrap.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index acda56e..54dcf77 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -554,63 +554,63 @@
 
 	len += snprintf(buf+len, sizeof(buf)-len,
 			"RX\n---------------------\n");
-	len += snprintf(buf+len, sizeof(buf)-len, "CRC\t%d\t(%d%%)\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "CRC\t%u\t(%u%%)\n",
 			st->rxerr_crc,
 			st->rx_all_count > 0 ?
 				st->rxerr_crc*100/st->rx_all_count : 0);
-	len += snprintf(buf+len, sizeof(buf)-len, "PHY\t%d\t(%d%%)\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "PHY\t%u\t(%u%%)\n",
 			st->rxerr_phy,
 			st->rx_all_count > 0 ?
 				st->rxerr_phy*100/st->rx_all_count : 0);
 	for (i = 0; i < 32; i++) {
 		if (st->rxerr_phy_code[i])
 			len += snprintf(buf+len, sizeof(buf)-len,
-				" phy_err[%d]\t%d\n",
+				" phy_err[%u]\t%u\n",
 				i, st->rxerr_phy_code[i]);
 	}
 
-	len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%u\t(%u%%)\n",
 			st->rxerr_fifo,
 			st->rx_all_count > 0 ?
 				st->rxerr_fifo*100/st->rx_all_count : 0);
-	len += snprintf(buf+len, sizeof(buf)-len, "decrypt\t%d\t(%d%%)\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "decrypt\t%u\t(%u%%)\n",
 			st->rxerr_decrypt,
 			st->rx_all_count > 0 ?
 				st->rxerr_decrypt*100/st->rx_all_count : 0);
-	len += snprintf(buf+len, sizeof(buf)-len, "MIC\t%d\t(%d%%)\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "MIC\t%u\t(%u%%)\n",
 			st->rxerr_mic,
 			st->rx_all_count > 0 ?
 				st->rxerr_mic*100/st->rx_all_count : 0);
-	len += snprintf(buf+len, sizeof(buf)-len, "process\t%d\t(%d%%)\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "process\t%u\t(%u%%)\n",
 			st->rxerr_proc,
 			st->rx_all_count > 0 ?
 				st->rxerr_proc*100/st->rx_all_count : 0);
-	len += snprintf(buf+len, sizeof(buf)-len, "jumbo\t%d\t(%d%%)\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "jumbo\t%u\t(%u%%)\n",
 			st->rxerr_jumbo,
 			st->rx_all_count > 0 ?
 				st->rxerr_jumbo*100/st->rx_all_count : 0);
-	len += snprintf(buf+len, sizeof(buf)-len, "[RX all\t%d]\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "[RX all\t%u]\n",
 			st->rx_all_count);
-	len += snprintf(buf+len, sizeof(buf)-len, "RX-all-bytes\t%d\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "RX-all-bytes\t%u\n",
 			st->rx_bytes_count);
 
 	len += snprintf(buf+len, sizeof(buf)-len,
 			"\nTX\n---------------------\n");
-	len += snprintf(buf+len, sizeof(buf)-len, "retry\t%d\t(%d%%)\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "retry\t%u\t(%u%%)\n",
 			st->txerr_retry,
 			st->tx_all_count > 0 ?
 				st->txerr_retry*100/st->tx_all_count : 0);
-	len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%u\t(%u%%)\n",
 			st->txerr_fifo,
 			st->tx_all_count > 0 ?
 				st->txerr_fifo*100/st->tx_all_count : 0);
-	len += snprintf(buf+len, sizeof(buf)-len, "filter\t%d\t(%d%%)\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "filter\t%u\t(%u%%)\n",
 			st->txerr_filt,
 			st->tx_all_count > 0 ?
 				st->txerr_filt*100/st->tx_all_count : 0);
-	len += snprintf(buf+len, sizeof(buf)-len, "[TX all\t%d]\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "[TX all\t%u]\n",
 			st->tx_all_count);
-	len += snprintf(buf+len, sizeof(buf)-len, "TX-all-bytes\t%d\n",
+	len += snprintf(buf+len, sizeof(buf)-len, "TX-all-bytes\t%u\n",
 			st->tx_bytes_count);
 
 	if (len > sizeof(buf))