batman-adv: include build_bug.h for BUILD_BUG_ON define

commit bc6245e5efd7 ("bug: split BUILD_BUG stuff out into
<linux/build_bug.h>") added a new header for BUILD_BUG_ON. It should
therefore be included instead of linux/bug.h

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index db40ca6..27a0c34 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -21,7 +21,7 @@
 
 #include <linux/atomic.h>
 #include <linux/bitops.h>
-#include <linux/bug.h>
+#include <linux/build_bug.h>
 #include <linux/byteorder/generic.h>
 #include <linux/cache.h>
 #include <linux/compiler.h>