Fix some typos.

Some code copied and pasted without updating the variable names was
causing crashes.

rlgterm.js

@@ -152,7 +152,7 @@ function processMsg(msg) {
         nrecv++;
       }
     }
-    else if (response.n > nrecv) {
+    else if (msgDict.n > nrecv) {
       /* The current message comes after one still missing.  Queue this one
        * for later use. */
       debug(1, "Got packet " + msgDict.n + ", expected " + nrecv);

rlgwebd.js

@@ -391,7 +391,7 @@ function logout(term, res) {
     sendError(res, 1, null);
     return;
   }
-  cterm.close();
+  term.close();
   var resheaders = {'Content-Type': 'text/plain'};
   res.writeHead(200, resheaders);
   res.write(JSON.stringify({"t": "q"}));