Trivial: Clean up some typos.

Change-Id: I085615fde1f966490f30ed5d32017b8b088cfd59
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
diff --git a/src/vnet/vxlan/decap.c b/src/vnet/vxlan/decap.c
index 7c1b6b1..3ae70c9 100644
--- a/src/vnet/vxlan/decap.c
+++ b/src/vnet/vxlan/decap.c
@@ -266,7 +266,7 @@
       u32 len0 = vlib_buffer_length_in_chain (vm, b[0]);
       u32 len1 = vlib_buffer_length_in_chain (vm, b[1]);
 
-      /* Validate VXLAN tunnel encap-fib index agaist packet */
+      /* Validate VXLAN tunnel encap-fib index against packet */
       if (PREDICT_FALSE (error0 != 0))
 	{
 	  next[0] = VXLAN_INPUT_NEXT_DROP;
@@ -293,7 +293,7 @@
 	    (rx_counter, thread_index, stats_t0->sw_if_index, 1, len0);
 	}
 
-      /* Validate VXLAN tunnel encap-fib index agaist packet */
+      /* Validate VXLAN tunnel encap-fib index against packet */
       if (PREDICT_FALSE (error1 != 0))
 	{
 	  next[1] = VXLAN_INPUT_NEXT_DROP;
@@ -371,7 +371,7 @@
       error0 = t0 == 0 ? VXLAN_ERROR_NO_SUCH_TUNNEL : error0;
       uword len0 = vlib_buffer_length_in_chain (vm, b[0]);
 
-      /* Validate VXLAN tunnel encap-fib index agaist packet */
+      /* Validate VXLAN tunnel encap-fib index against packet */
       if (PREDICT_FALSE (error0 != 0))
 	{
 	  next[0] = VXLAN_INPUT_NEXT_DROP;