null check missing

[mikemoore13]

Fatal Exception: java.lang.NullPointerException
com.terwesten.gabriel.iabtcf_consent_info.IabtcfConsentInfoPlugin.sendConsentInfo (IabtcfConsentInfoPlugin.kt:52)
com.terwesten.gabriel.iabtcf_consent_info.IabtcfConsentInfoPlugin.sharedPreferencesListener$lambda$0 (IabtcfConsentInfoPlugin.kt)
android.app.SharedPreferencesImpl$EditorImpl.notifyListeners (SharedPreferencesImpl.java:637)