Make script cross-platform.

BUG=none
TEST=try script on both Mac and Linux on Mac build output.

Review URL: http://codereview.chromium.org/5746007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@69274 0039d316-1c4b-4281-b951-d872f2087c98

build/sanitize-mac-build-log.sed

@@ -1,4 +1,4 @@
-#!/bin/sed -f
+#!/bin/echo Use sanitize-mac-build-log.sh or sed -f 
 
 # Copyright (c) 2010 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be

build/sanitize-mac-build-log.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+# Copyright (c) 2010 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+sed -f `dirname "${0}"`/`basename "${0}" sh`sed
+

tools/emacs/trybot.el

@@ -107,7 +107,7 @@
                          (when (eq type-hint 'mac)
                            ; Pipe it through the output shortener.
                            (concat " | " (get-chrome-root)
-                                   "build/sanitize-mac-build-log.sed")))))
+                                   "build/sanitize-mac-build-log.sh")))))
 
     ; Start up the subprocess.
     (let* ((coding-system-for-read 'utf-8-dos)