neutrinoyparser.cpp, tuxboxapi: avoid possible crashes without g_bouquetManager instance

This was observed without physical frontends and in certain
circumstances while using the web interface, e.g. if users are
using bouquet functionalities.


Origin commit data
------------------
Branch: ni/coolstream
Commit: fbc873caf6
Author: Thilo Graf <dbt@novatux.de>
Date: 2022-11-15 (Tue, 15 Nov 2022)



------------------
This commit was generated by Migit

src/nhttpd/tuxboxapi/controlapi.cpp

@@ -1424,6 +1424,9 @@ std::string CControlAPI::_GetBouquetWriteItem(CyhookHandler *hh, CZapitChannel *
 //-------------------------------------------------------------------------
 void CControlAPI::GetBouquetCGI(CyhookHandler *hh)
 {
+	if (g_bouquetManager ==  NULL)
+		return;
+
 	TOutType outType = hh->outStart(true /*old mode*/);
 
 	std::string result = "";
@@ -2165,6 +2168,9 @@ void CControlAPI::ReloadNeutrinoSetupCGI(CyhookHandler *hh)
 
 void CControlAPI::ReloadPluginsCGI(CyhookHandler *hh)
 {
+	if (g_Plugins ==  NULL)
+		return;
+
 	g_Plugins->loadPlugins();
 	hh->SendOk();
 }