route-table-bsd: Update vlog.h inclusion

This fixes a build failure introduced by the recent vlog change
commit e6211ad.
("lib: Move vlog.h to <openvswitch/vlog.h>")

Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Acked-by: Thomas Graf <tgraf@noironetworks.com>

lib/route-table-bsd.c

@@ -31,7 +31,7 @@
 
 #include "ovs-router.h"
 #include "packets.h"
-#include "vlog.h"
+#include "openvswitch/vlog.h"
 #include "util.h"
 
 VLOG_DEFINE_THIS_MODULE(route_table_bsd);