Merge pull request #46 from stargieg/master

RFC: dhcpv4 support openwrt alias ip addr

diff --cc src/odhcpd.h
index ab24674,d3a5ad6..759fb04
--- 1/src/odhcpd.h
--- 2/src/odhcpd.h
+++ b/src/odhcpd.h
@@@ -143,9 -143,10 +143,11 @@@ struct interface 
        int default_router;
        int managed;
        int route_preference;
 +      int ra_maxinterval;
  
        // DHCPv4
+       struct in_addr dhcpv4_addr;
+       struct in_addr dhcpv4_mask;
        struct in_addr dhcpv4_start;
        struct in_addr dhcpv4_end;
        struct in_addr *dhcpv4_router;