Adapted and applied patch by Brent Priddy for re-resolving the server

hostname on each connection.  This allows the client to startup
without being able to resolve the server's hostname.  It also lets
it handle changes in the server's address, a typical scenario when
the client is a laptop moving between networks.

lib/server/CConfig.cpp

@@ -780,6 +780,7 @@ CConfig::readSectionOptions(std::istream& s)
 		if (name == "address") {
 			try {
 				m_synergyAddress = CNetworkAddress(value, kDefaultPort);
+				m_synergyAddress.resolve();
 			}
 			catch (XSocketAddress& e) {
 				throw XConfigRead(CString("invalid address argument:  ") +