types: Migrate to stdplus ip

Change-Id: I777aa701204b0c4dbe5f0088cc2e6a4deb4f5d15
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/src/rtnetlink.hpp b/src/rtnetlink.hpp
index 5436e9d..f35c25f 100644
--- a/src/rtnetlink.hpp
+++ b/src/rtnetlink.hpp
@@ -10,7 +10,7 @@
 
 InterfaceInfo intfFromRtm(std::string_view msg);
 
-std::optional<std::tuple<unsigned, InAddrAny>>
+std::optional<std::tuple<unsigned, stdplus::InAnyAddr>>
     gatewayFromRtm(std::string_view msg);
 
 AddressInfo addrFromRtm(std::string_view msg);