panasonic-laptop: fix X[ ARRAY_SIZE(X) ]

Ensure pcc->keymap[ ARRAY_SIZE(pcc->keymap) ] does not occur.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index f30db36..c47a44d 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -507,7 +507,7 @@
 
 	hkey_num = result & 0xf;
 
-	if (hkey_num < 0 || hkey_num > ARRAY_SIZE(pcc->keymap)) {
+	if (hkey_num < 0 || hkey_num >= ARRAY_SIZE(pcc->keymap)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 				  "hotkey number out of range: %d\n",
 				  hkey_num));