cpts: add missing <linux/if_vlan.h>

From: Sergei Trofimovich <[email protected]>

gcc complains as:
drivers/net/ethernet/ti/cpts.c: In function 'cpts_match':
drivers/net/ethernet/ti/cpts.c:266:12: error: 'ETH_HLEN' undeclared (first use in this function) drivers/net/ethernet/ti/cpts.c:266:12: note: each undeclared identifier is reported only once for each function it appears in drivers/net/ethernet/ti/cpts.c:276:23: error: 'VLAN_HLEN' undeclared (first use in this function)

---
 drivers/net/ethernet/ti/cpts.c | 1 +
 1 file changed, 1 insertion(+)

index a3bbf59..c413e79 100644
@@ -19,6 +19,7 @@
  */
 #include <linux/err.h>
 #include <linux/if.h>
+#include <linux/if_vlan.h>
 #include <linux/hrtimer.h>
 #include <linux/module.h>
 #include <linux/net_tstamp.h>

1.9.0

Thanks, fix is already in net tree:

https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=79eb9d28c9b22fa419e2c3f1b2cc6e285720ae41