changed src\modules\audio_device\win\audio_device_core_win.cc , and it is working

Bug: webrtc:12384
Change-Id: Ie9fddc3fa8016eb6a0bcc4c6757f30c4b087c10a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/203821
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Andreassson <henrika@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33158}
diff --git a/AUTHORS b/AUTHORS
index ced3d3c..c20602bf0 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -21,6 +21,7 @@
 Andrew Johnson <ajohnson@draster.com>
 Anil Kumar <an1kumar@gmail.com>
 Ben Strong <bstrong@gmail.com>
+Berthold Herrmann <bertholdherrmann08@googlemail.com>
 Bob Withers <bwit@pobox.com>
 Bridger Maxwell <bridgeyman@gmail.com>
 Christophe Dumez <ch.dumez@samsung.com>
diff --git a/modules/audio_device/win/audio_device_core_win.cc b/modules/audio_device/win/audio_device_core_win.cc
index d1fc93d..328fefa 100644
--- a/modules/audio_device/win/audio_device_core_win.cc
+++ b/modules/audio_device/win/audio_device_core_win.cc
@@ -3938,6 +3938,8 @@
     return -1;
   }
 
+  SAFE_RELEASE(pCollection);
+
   return 0;
 }