Fix metadata for Portaudio library for mac

R=mflodman@webrtc.org

Bug: chromium:460543401
Change-Id: I4bac6260a2671942b31acff9933b4cdab988e60a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/425600
Auto-Submit: Jordan Brown <rop@google.com>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org>
Commit-Queue: Jordan Brown <rop@google.com>
Cr-Commit-Position: refs/heads/main@{#47210}

modules/third_party/portaudio/README.chromium

diff --git a/modules/third_party/portaudio/README.chromium b/modules/third_party/portaudio/README.chromium
index ac300bb..d7d899c 100644
--- a/modules/third_party/portaudio/README.chromium
+++ b/modules/third_party/portaudio/README.chromium
@@ -1,7 +1,8 @@
 Name: Portaudio library for mac
 Short Name: portaudio
-URL: https://github.com/PortAudio/portaudio/tree/master/src/common
-Version: 9d8563100d841300f1689b186d131347ad43a0f6
+URL: https://github.com/PortAudio/portaudio
+Version: N/A
+Revision: 9d8563100d841300f1689b186d131347ad43a0f6
 Date: 2022-04-12
 License: MIT
 License File: LICENSE