vcs-svn: suppress a signed/unsigned comparison warning

The preceding code checks that view->max_off is nonnegative and
(off + width) fits in an off_t, so this code is already safe.

Signed-off-by: David Barr <davidbarr@google.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>

vcs-svn/sliding_window.c

@@ -54,7 +54,7 @@ int move_window(struct sliding_view *view, off_t off, size_t width)
 		return -1;
 	if (off < view->off || off + width < view->off + view->width)
 		return error("invalid delta: window slides left");
-	if (view->max_off >= 0 && view->max_off < off + width)
+	if (view->max_off >= 0 && view->max_off < off + (off_t) width)
 		return error("delta preimage ends early");
 
 	file_offset = view->off + view->buf.len;