misc: Add platform specific header on FreeBSD

Type: improvement
Change-Id: Ia23414e87d64567d5124b8297315ed7a426c3651
Signed-off-by: Tom Jones <thj@freebsd.org>

src/plugins/tracedump/graph_cli.c

@@ -16,7 +16,11 @@
  */
 
 #include <sys/socket.h>
+#ifdef __linux__
 #include <linux/if.h>
+#else
+#include <net/if.h>
+#endif /* __linux__ */
 
 #include <vnet/vnet.h>
 #include <vnet/plugin/plugin.h>