[newlib-cygwin] Fix copy/paste typo in fhandler_console::scroll_buffer_screen

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=284bec317499b1d1f92b82b67d73f4995c9a20c1

commit 284bec317499b1d1f92b82b67d73f4995c9a20c1
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Thu Nov 24 14:43:52 2016 +0100

    Fix copy/paste typo in fhandler_console::scroll_buffer_screen
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/fhandler_console.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winsup/cygwin/fhandler_console.cc b/winsup/cygwin/fhandler_console.cc
index 2d281e0..1162bfc 100644
--- a/winsup/cygwin/fhandler_console.cc
+++ b/winsup/cygwin/fhandler_console.cc
@@ -799,7 +799,7 @@ fhandler_console::scroll_buffer_screen (int x1, int y1, int x2, int y2, int xn,
   if (y1 >= 0)
     y1 += con.b.srWindow.Top;
   if (y2 >= 0)
-    y1 += con.b.srWindow.Top;
+    y2 += con.b.srWindow.Top;
   if (yn >= 0)
     yn += con.b.srWindow.Top;
   con.scroll_buffer (get_output_handle (), x1, y1, x2, y2, xn, yn);