net: update GetNetworkName() with all enum Network cases

src/netbase.cpp

@@ -52,14 +52,20 @@ enum Network ParseNetwork(const std::string& net_in) {
     return NET_UNROUTABLE;
 }
 
-std::string GetNetworkName(enum Network net) {
-    switch(net)
-    {
+std::string GetNetworkName(enum Network net)
+{
+    switch (net) {
+    case NET_UNROUTABLE: return "unroutable";
     case NET_IPV4: return "ipv4";
     case NET_IPV6: return "ipv6";
     case NET_ONION: return "onion";
-    default: return "";
-    }
+    case NET_I2P: return "i2p";
+    case NET_CJDNS: return "cjdns";
+    case NET_INTERNAL: return "internal";
+    case NET_MAX: assert(false);
+    } // no default case, so the compiler can warn about missing cases
+
+    assert(false);
 }
 
 bool static LookupIntern(const std::string& name, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup)