power: max8997_charger.c needs module.h

power/max8997_charger.c uses interfaces from linux/module.h, so it should include that file. This fixes build errors.

---
 drivers/power/max8997_charger.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

index 9848fb8..e12b4a2 100644
@@ -20,6 +20,7 @@
  */
 
 #include <linux/err.h>
+#include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/platform_device.h>
 #include <linux/power_supply.h>

1.7.4.1