API refactoring : dhcp

Change-Id: I3829835ed2126e51e96690c907deac623dc77151
Signed-off-by: Pavel Kotucek <pkotucek@cisco.com>
diff --git a/src/vnet.am b/src/vnet.am
index 669ea1f..c692249 100644
--- a/src/vnet.am
+++ b/src/vnet.am
@@ -657,10 +657,14 @@
 ########################################
 libvnet_la_SOURCES +=				\
  vnet/dhcp/client.c				\
- vnet/dhcp/client.h
+ vnet/dhcp/client.h				\
+ vnet/dhcp/dhcp_api.c
 
 nobase_include_HEADERS +=			\
- vnet/dhcp/client.h
+ vnet/dhcp/client.h					\
+ vnet/dhcp/dhcp.api.h
+
+API_FILES += vnet/dhcp/dhcp.api
 
 ########################################
 # DHCP proxy