Trivial: Clean up some typos.

Change-Id: I085615fde1f966490f30ed5d32017b8b088cfd59
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
diff --git a/src/vnet/lldp/lldp_output.c b/src/vnet/lldp/lldp_output.c
index 3714e8f..cffe7ba 100644
--- a/src/vnet/lldp/lldp_output.c
+++ b/src/vnet/lldp/lldp_output.c
@@ -137,11 +137,11 @@
     {
       /*
          If no management address is configured, the interface port's MAC
-         addressis sent in one TLV.
+         address is sent in one TLV.
        */
 
       lldp_build_mgmt_addr_tlv (t0p, 1,	/* address subtype: Ipv4 */
-				6,	/* address string lenth */
+				6,	/* address string length */
 				hw->hw_address,	/* address */
 				hw->hw_if_index,	/* if index */
 				vec_len (n->mgmt_oid),	/* OID length */
@@ -152,7 +152,7 @@
   if (len_ip4)
     {
       lldp_build_mgmt_addr_tlv (t0p, 1,	/* address subtype: Ipv4 */
-				len_ip4,	/* address string lenth */
+				len_ip4,	/* address string length */
 				n->mgmt_ip4,	/* address */
 				hw->hw_if_index,	/* if index */
 				vec_len (n->mgmt_oid),	/* OID length */
@@ -162,7 +162,7 @@
   if (len_ip6)
     {
       lldp_build_mgmt_addr_tlv (t0p, 2,	/* address subtype: Ipv6 */
-				len_ip6,	/* address string lenth */
+				len_ip6,	/* address string length */
 				n->mgmt_ip6,	/* address */
 				hw->hw_if_index,	/* if index */
 				vec_len (n->mgmt_oid),	/* OID length */