APM: fix CaptureLevelAdjustment::operator==

Bug: webrtc:7494
Change-Id: I0ea13af2e23ed1490fa22d75d104bdd45b0452bf
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/233460
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Alessio Bazzica <alessiob@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35142}

modules/audio_processing/include/audio_processing.cc

diff --git a/modules/audio_processing/include/audio_processing.cc b/modules/audio_processing/include/audio_processing.cc
index ddd8078..71d0938 100644
--- a/modules/audio_processing/include/audio_processing.cc
+++ b/modules/audio_processing/include/audio_processing.cc
@@ -110,7 +110,7 @@
 bool AudioProcessing::Config::CaptureLevelAdjustment::operator==(
     const AudioProcessing::Config::CaptureLevelAdjustment& rhs) const {
   return enabled == rhs.enabled && pre_gain_factor == rhs.pre_gain_factor &&
-         post_gain_factor && rhs.post_gain_factor &&
+         post_gain_factor == rhs.post_gain_factor &&
          analog_mic_gain_emulation == rhs.analog_mic_gain_emulation;
 }