Fix typo.

Change-Id: I7b68351c67893fd22bf9228d52fba02a8dea1f56
diff --git a/gpio-mailbox/TEST.gpio-mailbox b/gpio-mailbox/TEST.gpio-mailbox
index 3cd5dee..edc8f60 100644
--- a/gpio-mailbox/TEST.gpio-mailbox
+++ b/gpio-mailbox/TEST.gpio-mailbox
@@ -1,4 +1,4 @@
-rm -rf /tmp/gpio /tmp/led
+rm -rf /tmp/gpio /tmp/leds
 
 mkdir -p /tmp/gpio
 echo x5 0 1 0 2 0 0x0f > /tmp/gpio/leds