sh: Fix problem with stray '\r' character that was introduced in previous change

Change-Id: I53148089bcb1989c129c7af465c724495e13e156
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/sh/input.c b/sh/input.c
index 9377bd0..bfb80f4 100644
--- a/sh/input.c
+++ b/sh/input.c
@@ -221,7 +221,7 @@
                     /* Add non-blank lines to history. */
                     linenoiseHistoryAdd(rl_start);
                 }
-                out2str("\r\n");
+                out2str("\n");
                 /* Client expects a newline at end of input, doesn't expect null */
                 rl_start[el_len++] = '\n';
             }