Index: file.c
===================================================================
RCS file: /repository/php-src/ext/standard/file.c,v
retrieving revision 1.530
diff -u -r1.530 file.c
--- file.c	21 Oct 2008 22:06:48 -0000	1.530
+++ file.c	22 Oct 2008 21:21:42 -0000
@@ -2104,7 +2104,7 @@
 		}
 	}
 
-	smart_str_appendc(&csvline, '\n');
+	smart_str_appendl(&csvline, PHP_EOL, sizeof(PHP_EOL));
 	smart_str_0(&csvline);
 
 	ret = php_stream_write(stream, csvline.c, csvline.len);