BIER: replace uintXX_t with uXX

Change-Id: I0ba698da9739c11de3a368fe4cf3617167a8d854
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/src/vnet/bier/bier_bit_string.c b/src/vnet/bier/bier_bit_string.c
index aa42e08..c22a242 100644
--- a/src/vnet/bier/bier_bit_string.c
+++ b/src/vnet/bier/bier_bit_string.c
@@ -53,7 +53,7 @@
                          bier_bp_t bp)
 {
     bier_bit_mask_bucket_t bmask;
-    uint16_t byte_pos, bit_pos;
+    u16 byte_pos, bit_pos;
 
     BIER_BIT_POS_IS_VALID(bp, bit_string);
     BIER_GET_STRING_POS(bp, byte_pos, bit_pos, bit_string);
@@ -66,7 +66,7 @@
 bier_bit_string_clear_bit (bier_bit_string_t *bit_string,
                            bier_bp_t bp)
 {
-    uint16_t byte_pos, bit_pos;
+    u16 byte_pos, bit_pos;
 
     BIER_BIT_POS_IS_VALID(bp, bit_string);
     BIER_GET_STRING_POS(bp, byte_pos, bit_pos, bit_string);