add dedicated stopAll()

should not change abi

solanaceae/plugin/plugin_manager.cpp

@@ -26,10 +26,7 @@ void g_provideInstance__internal(const char* id, const char* version, const char
 } // extern C
 
 PluginManager::~PluginManager(void) {
-	// destruct in reverse!
-	for (auto it = _plugins.rbegin(); it != _plugins.rend(); it++) {
-		it->stop();
-	}
+	stopAll();
 }
 
 bool PluginManager::add(const std::string& plug_path) {
@@ -48,6 +45,13 @@ bool PluginManager::add(const std::string& plug_path) {
 	return true;
 }
 
+void PluginManager::stopAll(void) {
+	// destruct in reverse!
+	for (auto it = _plugins.rbegin(); it != _plugins.rend(); it++) {
+		it->stop();
+	}
+}
+
 float PluginManager::tick(float delta) {
 	float min_interval {std::numeric_limits<float>::max()};