-webtv: fix segfault while reload

Signed-off-by: Thilo Graf <dbt@novatux.de>

src/driver/pictureviewer/pictureviewer.cpp

@@ -660,7 +660,7 @@ bool CPictureViewer::GetLogoName(const uint64_t& channel_id, const std::string&
 			}
 		}
 
-		if (cc)
+		if (cc && (name.compare("m3u_loading_logos") != 0))
 		{
 			if (!cc->getAlternateLogo().empty())
 			{

src/zapit/src/bouquets.cpp

@@ -1050,6 +1050,7 @@ void CBouquetManager::loadWebchannels(int mode)
 								}
 								CZapitChannel * channel = new CZapitChannel(title.c_str(), chid, url, desc.c_str(), chid, epg_script.c_str(), mode);
 								CServiceManager::getInstance()->AddChannel(channel);
+								desc = "m3u_loading_logos";
 								if (!alogo.empty() && !g_PicViewer->GetLogoName(chid,title,desc))
 								{
 									channel->setAlternateLogo(alogo);