Fix netbase tests

* Do not rely on "a.b.c" being interpreted as "a.0.b.c"
* Parse numeric addresses for address families for which no device is configured

src/netbase.cpp

@@ -65,19 +65,17 @@ bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, unsign
 #ifdef WIN32
 #  ifdef USE_IPV6
     aiHint.ai_family = AF_UNSPEC;
-    aiHint.ai_flags = fAllowLookup ? 0 : AI_NUMERICHOST;
 #  else
     aiHint.ai_family = AF_INET;
-    aiHint.ai_flags = fAllowLookup ? 0 : AI_NUMERICHOST;
 #  endif
+    aiHint.ai_flags = fAllowLookup ? 0 : AI_NUMERICHOST;
 #else
 #  ifdef USE_IPV6
     aiHint.ai_family = AF_UNSPEC;
-    aiHint.ai_flags = AI_ADDRCONFIG | (fAllowLookup ? 0 : AI_NUMERICHOST);
 #  else
     aiHint.ai_family = AF_INET;
-    aiHint.ai_flags = AI_ADDRCONFIG | (fAllowLookup ? 0 : AI_NUMERICHOST);
 #  endif
+    aiHint.ai_flags = fAllowLookup ? AI_ADDRCONFIG : AI_NUMERICHOST;
 #endif
     struct addrinfo *aiRes = NULL;
     int nErr = getaddrinfo(pszName, NULL, &aiHint, &aiRes);

src/test/netbase_tests.cpp

@@ -86,7 +86,6 @@ BOOST_AUTO_TEST_CASE(netbase_lookupnumeric)
     BOOST_CHECK(TestParse("[::]:8333", "[::]:8333"));
     BOOST_CHECK(TestParse("[127.0.0.1]", "127.0.0.1:65535"));
     BOOST_CHECK(TestParse(":::", ""));
-    BOOST_CHECK(TestParse("128.5.1", "128.5.0.1:65535"));
 }
 
 BOOST_AUTO_TEST_SUITE_END()