attempt at fixing plugin related allocation crashes on exit

external/solanaceae_plugin

@@ -1 +1 @@
-Subproject commit e25ee67e4277da712504444a9d29b82eef6cbd98
+Subproject commit d03d2dae67381ab228fe0fa134756489e92b9c86

src/main_screen.cpp

@@ -205,6 +205,7 @@ MainScreen::MainScreen(const SimpleConfigModel& conf_, SDL_Renderer* renderer_,
 }
 
 MainScreen::~MainScreen(void) {
+	pm.stopAll();
 	// TODO: quit sdl audio
 }
 

src/main_screen.hpp

@@ -56,6 +56,8 @@ extern "C" {
 } // C
 
 struct MainScreen final : public Screen {
+	PluginManager pm; // first, so it gets destroyed last
+
 	SDL_Renderer* renderer;
 
 	ObjectStore2 os;
@@ -106,7 +108,6 @@ struct MainScreen final : public Screen {
 	StreamManagerUI smui;
 	DebugVideoTap dvt;
 
-	PluginManager pm; // last, so it gets destroyed first
 
 	bool _show_tool_style_editor {false};
 	bool _show_tool_metrics {false};