iwlegacy: fix spelling mistake "acumulative" -> "accumulative"

Fix spelling mistakes in rx stats text. I missed these from an earlier
round of fixing the same spelling mistake.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/intel/iwlegacy/3945-debug.c

@@ -185,7 +185,7 @@ il3945_ucode_rx_stats_read(struct file *file, char __user *user_buf,
 	pos +=
 	    scnprintf(buf + pos, bufsz - pos,
 		      "%-32s     current"
-		      "acumulative       delta         max\n",
+		      "accumulative      delta         max\n",
 		      "Statistics_Rx - CCK:");
 	pos +=
 	    scnprintf(buf + pos, bufsz - pos,
@@ -273,7 +273,7 @@ il3945_ucode_rx_stats_read(struct file *file, char __user *user_buf,
 	pos +=
 	    scnprintf(buf + pos, bufsz - pos,
 		      "%-32s     current"
-		      "acumulative       delta         max\n",
+		      "accumulative      delta         max\n",
 		      "Statistics_Rx - GENERAL:");
 	pos +=
 	    scnprintf(buf + pos, bufsz - pos,
@@ -346,7 +346,7 @@ il3945_ucode_tx_stats_read(struct file *file, char __user *user_buf,
 	pos +=
 	    scnprintf(buf + pos, bufsz - pos,
 		      "%-32s     current"
-		      "acumulative       delta         max\n",
+		      "accumulative      delta         max\n",
 		      "Statistics_Tx:");
 	pos +=
 	    scnprintf(buf + pos, bufsz - pos,
@@ -447,7 +447,7 @@ il3945_ucode_general_stats_read(struct file *file, char __user *user_buf,
 	pos +=
 	    scnprintf(buf + pos, bufsz - pos,
 		      "%-32s     current"
-		      "acumulative       delta         max\n",
+		      "accumulative      delta         max\n",
 		      "Statistics_General:");
 	pos +=
 	    scnprintf(buf + pos, bufsz - pos,