Use existing save_stty functionality

Yes, `save_stty` and `restore_stty` should probably not live in terminal, but they do.
No reason to re-implement them. And they handle error cases better.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/highline/terminal/unix_stty.rb b/lib/highline/terminal/unix_stty.rb
index ad9c85d..1dbed36 100644
--- a/lib/highline/terminal/unix_stty.rb
+++ b/lib/highline/terminal/unix_stty.rb
@@ -32,13 +32,13 @@ class HighLine
 
       # (see Terminal#raw_no_echo_mode)
       def raw_no_echo_mode
-        @state = `stty -g`
+        save_stty 
         system "stty raw -echo -icanon isig"
       end
 
       # (see Terminal#restore_mode)
       def restore_mode
-        system "stty #{@state}"
+        restore_stty
         print "\r"
       end