EXT-4668 Hide URL checkbox is missing from the Sound tab of About Land

indra/newview/llpanellandaudio.cpp

@@ -153,6 +153,13 @@ void LLPanelLandAudio::refresh()
 		mCheckParcelEnableVoice->set(allow_voice);
 		mCheckParcelVoiceLocal->set(!parcel->getParcelFlagUseEstateVoiceChannel());
 
+		// don't display urls if you're not able to change it
+		// much requested change in forums so people can't 'steal' urls
+		// NOTE: bug#2009 means this is still vunerable - however, bug
+		// should be closed since this bug opens up major security issues elsewhere.
+		bool obscure_music = ! can_change_media && parcel->getObscureMusic();
+		
+		mMusicURLEdit->setDrawAsterixes(obscure_music);
 		mMusicURLEdit->setText(parcel->getMusicURL());
 		mMusicURLEdit->setEnabled( can_change_media );
 	}

indra/newview/skins/default/xui/en/floater_about_land.xml

@@ -1825,6 +1825,15 @@ Only large parcels can be listed in search.
              top_delta="0"
              right="-15"
              select_on_focus="true" />
+			<check_box
+             height="16"
+             label="Hide URL"
+             layout="topleft"
+             name="hide_music_url"
+			 tool_tip="Checking this option will hide the music url to any non-authorized viewers of this parcel information."
+			 left_delta="10"
+             top_pad="5"
+             width="292" /> 
             <text
              type="string"
              length="1"