diff --git a/[refs] b/[refs]
index 2194d19765bc..8e2455eac003 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e2cb5f08469c991b187f66fa627d7673c7f3361b
+refs/heads/master: 6270da6f4d5a7e13cff98585d25c6742aec5a33c
diff --git a/trunk/drivers/acpi/button.c b/trunk/drivers/acpi/button.c
index 86c7d5445c38..92a659aa6396 100644
--- a/trunk/drivers/acpi/button.c
+++ b/trunk/drivers/acpi/button.c
@@ -33,6 +33,7 @@
 #include <linux/slab.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
+#include <acpi/button.h>
 
 #define PREFIX "ACPI: "