Just a slight cleanup.  Committed as obvious.
gdb/testsuite/ChangeLog:
	* gdb.base/batch-preserve-term-settings.exp
	(test_terminal_settings_preserved_after_cli_exit): Use
	send_quit_command.
+2015-07-29  Patrick Palka  <patrick@parcs.ath.cx>
+
+       * gdb.base/batch-preserve-term-settings.exp
+       (test_terminal_settings_preserved_after_cli_exit): Use
+       send_quit_command.
+
 2015-07-29  Pedro Alves  <palves@redhat.com>
            Don Breazeal  <donb@codesourcery.com>
 
 
        }
     }
 
-    set test "quit gdb"
-    send_gdb "quit\n"
-    gdb_expect {
-       -re "(y or n)" {
-           send_gdb "y\n"
-           exp_continue
-       }
-       -re ".*$shell_prompt_re$" {
-           pass $test
-       }
-       timeout {
-           fail "$test (timeout)"
-       }
-       eof {
-           fail "$test (eof)"
-       }
-    }
+    send_quit_command "quit gdb"
 
     set test "terminal settings preserved"
     if $stty_supported {