Add missing header guards in msm_rotator.h

msm_rotator.h was missing define __MSM_ROTATOR_H__

Signed-off-by: Kobi Cohen-Arazi <kobic@codeaurora.org>
diff --git a/include/linux/msm_rotator.h b/include/linux/msm_rotator.h
index 98352b7..b8d7de6 100644
--- a/include/linux/msm_rotator.h
+++ b/include/linux/msm_rotator.h
@@ -1,4 +1,5 @@
 #ifndef __MSM_ROTATOR_H__
+#define __MSM_ROTATOR_H__
 
 #include <linux/types.h>
 #include <linux/msm_mdp.h>