loplugin:unusedfields in io

Change-Id: I8be28fa2ed1e005c76eafc60746620338c8a49ac
Reviewed-on: https://gerrit.libreoffice.org/40291Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

compilerplugins/clang/unusedfields.readonly.results

@@ -674,8 +674,6 @@ include/vcl/opengl/OpenGLContext.hxx:57
     OpenGLCapabilitySwitch mbLimitedShaderRegisters _Bool
 include/xmloff/nmspmap.hxx:70
     SvXMLNamespaceMap sEmpty const class rtl::OUString
-io/source/acceptor/acc_socket.cxx:89
-    io_acceptor::SocketConnection m_addr ::osl::SocketAddr
 jvmfwk/plugins/sunmajor/pluginlib/util.cxx:251
     jfw_plugin::FileHandleReader m_aBuffer sal_Char [1024]
 libreofficekit/qa/gtktiledviewer/gtv-application-window.hxx:50

io/source/acceptor/acc_socket.cxx

@@ -86,7 +86,6 @@ namespace io_acceptor {
         void completeConnectionString();
 
         ::osl::StreamSocket m_socket;
-        ::osl::SocketAddr m_addr;
         oslInterlockedCount m_nStatus;
         OUString m_sDescription;
 
@@ -350,7 +349,9 @@ namespace io_acceptor {
         }
 
         pConn->completeConnectionString();
-        OUString remoteHostname = pConn->m_addr.getHostname();
+        ::osl::SocketAddr remoteAddr;
+        pConn->m_socket.getPeerAddr(remoteAddr);
+        OUString remoteHostname = remoteAddr.getHostname();
         // we enable tcpNoDelay for loopback connections because
         // it can make a significant speed difference on linux boxes.
         if( m_bTcpNoDelay || remoteHostname == "localhost" ||