fib: missing include

Type: fix
Change-Id: Idefded3443b383ba916a66051b003aac106af8e8
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vnet/CMakeLists.txt b/src/vnet/CMakeLists.txt
index 9e7e0aa..81d697b 100644
--- a/src/vnet/CMakeLists.txt
+++ b/src/vnet/CMakeLists.txt
@@ -1292,6 +1292,7 @@
 
 list(APPEND VNET_HEADERS
   dpo/load_balance.h
+  dpo/load_balance_map.h
   dpo/drop_dpo.h
   dpo/lookup_dpo.h
   dpo/punt_dpo.h