Re-add the "-via" parameter support on UNIX platforms.



git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@5032 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/vncviewer/parameters.cxx b/vncviewer/parameters.cxx
index 9a3bcd2..d386bd4 100644
--- a/vncviewer/parameters.cxx
+++ b/vncviewer/parameters.cxx
@@ -133,6 +133,10 @@
                                    "to the server when in full screen mode.",
                                    true);
 
+#ifndef WIN32
+StringParameter via("via", "Gateway to tunnel via", "");
+#endif
+
 const char* IDENTIFIER_STRING = "TigerVNC Configuration file Version 1.0";
 
 VoidParameter* parameterArray[] = {