datapath: Fix sparse warning on BUILD_BUG_ON_NOT_POWER_OF_2 definition.

BUILD_BUG_ON_NOT_POWER_OF_2 could been defined in kernel.h or bug.h
depending on kernel version.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>

diff --git a/datapath/linux/compat/include/linux/kernel.h b/datapath/linux/compat/include/linux/kernel.h
index bd6e9a4..812f213 100644 (file)
--- a/datapath/linux/compat/include/linux/kernel.h
+++ b/datapath/linux/compat/include/linux/kernel.h
@@ -7,6 +7,7 @@
 #endif
 
 #include <linux/version.h>
+#include <linux/bug.h>
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
 #undef pr_emerg
 #define pr_emerg(fmt, ...) \