Fix Test Term Size

When running the build tests, the terminal size gets set to 0x0. When
then tests finish, things like vim start to misbehave until you change
your term window size. This stops changing the terminal size when the
echoserver is run in echo mode.

Author: ejohnstown

examples/echoserver/echoserver.c

@@ -863,12 +863,12 @@ static int ssh_worker(thread_ctx_t* threadCtx)
 #endif
 
 #if defined(WOLFSSH_TERM) && defined(WOLFSSH_SHELL)
-    /* set initial size of terminal based on saved size */
+    /* if not echoing, set initial size of terminal based on saved size */
 #if defined(HAVE_SYS_IOCTL_H)
-    wolfSSH_DoModes(ssh->modes, ssh->modesSz, childFd);
-    {
+    if (!threadCtx->echo) {
         struct winsize s = {0,0,0,0};
 
+        wolfSSH_DoModes(ssh->modes, ssh->modesSz, childFd);
         s.ws_col = ssh->widthChar;
         s.ws_row = ssh->heightRows;
         s.ws_xpixel = ssh->widthPixels;