Fixed deadlock while removing conversations

src/conversation.cpp

@@ -32,6 +32,7 @@ Conversation::Conversation(ConversationManager *conversationManager, const std::
 	m_legacyName = legacyName;
 	m_conversationManager->addConversation(this);
 	m_muc = isMUC;
+	std::cout << "new conversation " << legacyName << "\n";
 }
 
 Conversation::~Conversation() {

src/conversationmanager.cpp

@@ -37,6 +37,7 @@ ConversationManager::ConversationManager(User *user, Component *component){
 
 ConversationManager::~ConversationManager() {
 	while(!m_convs.empty()) {
+		m_convs.erase(m_convs.begin());
 		delete (*m_convs.begin()).second;
 	}
 }