staging: bcm2835-camera: Add multiple inclusion protection to headers

mmal-common.h and mmal-msg.h didn't have the normal
ifndef FOO / define FOO / endif protection to stop it being
included multiple times. Add it.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/bcm2835-camera/mmal-common.h

@@ -13,6 +13,8 @@
  * MMAL structures
  *
  */
+#ifndef MMAL_COMMON_H
+#define MMAL_COMMON_H
 
 #define MMAL_FOURCC(a, b, c, d) ((a) | (b << 8) | (c << 16) | (d << 24))
 #define MMAL_MAGIC MMAL_FOURCC('m', 'm', 'a', 'l')
@@ -56,3 +58,4 @@ struct mmal_colourfx {
 	u32 u;
 	u32 v;
 };
+#endif

drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h

@@ -23,6 +23,8 @@
  * implementation uses fixed size types and not the enums (though the
  * comments have the actual enum type
  */
+#ifndef MMAL_MSG_H
+#define MMAL_MSG_H
 
 #define VC_MMAL_VER 15
 #define VC_MMAL_MIN_VER 10
@@ -401,3 +403,4 @@ struct mmal_msg {
 		u8 payload[MMAL_MSG_MAX_PAYLOAD];
 	} u;
 };
+#endif