Don't include <linux/...> header files directly.

These change from kernel release to release, and no longer contain some of
the stuff you need.

Change-Id: I3fc7176cf2246aebfc0aa2a833dfa04ea8d931fc
diff --git a/SecondaryTableController.h b/SecondaryTableController.h
index 58914df..79e0592 100644
--- a/SecondaryTableController.h
+++ b/SecondaryTableController.h
@@ -19,7 +19,7 @@
 
 #include <sysutils/FrameworkListener.h>
 
-#include <linux/if.h>
+#include <net/if.h>
 
 #ifndef IFNAMSIZ
 #define IFNAMSIZ 16