buffers: fix typo

Change-Id: I4e836244409c98739a13092ee252542a2c5fe259
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vnet/pg/cli.c b/src/vnet/pg/cli.c
index 4053887..803db12 100644
--- a/src/vnet/pg/cli.c
+++ b/src/vnet/pg/cli.c
@@ -341,7 +341,7 @@
   s.sw_if_index[VLIB_RX] = s.sw_if_index[VLIB_TX] = ~0;
   s.node_index = ~0;
   s.max_packet_bytes = s.min_packet_bytes = 64;
-  s.buffer_bytes = vlib_bufer_get_default_size (vm);
+  s.buffer_bytes = vlib_buffer_get_default_data_size (vm);
   s.if_id = 0;
   pcap_file_name = 0;
   while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
diff --git a/src/vnet/pg/input.c b/src/vnet/pg/input.c
index 6ef813f..138a575 100644
--- a/src/vnet/pg/input.c
+++ b/src/vnet/pg/input.c
@@ -1199,7 +1199,7 @@
   u32 *buffers;
   vlib_main_t *vm = vlib_get_main ();
   vnet_main_t *vnm = vnet_get_main ();
-  u32 buf_sz = vlib_bufer_get_default_size (vm);
+  u32 buf_sz = vlib_buffer_get_default_data_size (vm);
   vnet_interface_main_t *im = &vnm->interface_main;
   vnet_sw_interface_t *si;
 
diff --git a/src/vnet/pg/stream.c b/src/vnet/pg/stream.c
index ba24912..c60c584 100644
--- a/src/vnet/pg/stream.c
+++ b/src/vnet/pg/stream.c
@@ -437,7 +437,7 @@
   {
     int n;
 
-    s->buffer_bytes = vlib_bufer_get_default_size (vm);
+    s->buffer_bytes = vlib_buffer_get_default_data_size (vm);
     n = s->max_packet_bytes / s->buffer_bytes;
     n += (s->max_packet_bytes % s->buffer_bytes) != 0;