make hp_wmi_notify() static

Make the needlessly global hp_wmi_notify() static.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/misc/hp-wmi.c b/drivers/misc/hp-wmi.c
index 6d407c2..5dabfb6 100644
--- a/drivers/misc/hp-wmi.c
+++ b/drivers/misc/hp-wmi.c
@@ -309,7 +309,7 @@
 	return -EINVAL;
 }
 
-void hp_wmi_notify(u32 value, void *context)
+static void hp_wmi_notify(u32 value, void *context)
 {
 	struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
 	static struct key_entry *key;