[settings] fix DUA logging (#5095)

script/check-simulation-build-autotools

@@ -85,6 +85,7 @@ build_all_features()
 
     local options_1_2=(
         "-DOPENTHREAD_CONFIG_BACKBONE_ROUTER_ENABLE=1"
+        "-DOPENTHREAD_CONFIG_DUA_ENABLE=1"
     )
 
     export CPPFLAGS="${options[*]} -DOPENTHREAD_CONFIG_LOG_LEVEL=OT_LOG_LEVEL_NONE"

src/core/common/settings.cpp

@@ -81,7 +81,7 @@ void SettingsBase::LogChildInfo(const char *aAction, const ChildInfo &aChildInfo
 #if OPENTHREAD_CONFIG_DUA_ENABLE
 void SettingsBase::LogDadInfo(const char *aAction, const DadInfo &aDadInfo) const
 {
-    otLogInfoCore("Non-volatile: %s DadInfo {DadCounter:%2d}", aAction, aDadInfo.mDadCounter);
+    otLogInfoCore("Non-volatile: %s DadInfo {DadCounter:%2d}", aAction, aDadInfo.GetDadCounter());
 }
 #endif