fix(renderer): Destroy window on deconstruct

include/components/renderer.hpp

@@ -16,6 +16,7 @@ class renderer {
 
   explicit renderer(connection& conn, const logger& logger, unique_ptr<font_manager> font_manager,
       const bar_settings& bar, const vector<string>& fonts);
+  ~renderer();
 
   xcb_window_t window() const;
 

src/components/renderer.cpp

@@ -128,6 +128,15 @@ renderer::renderer(connection& conn, const logger& logger, unique_ptr<font_manag
   }
 }
 
+/**
+ * Deconstruct instance
+ */
+renderer::~renderer() {
+  if (m_window != XCB_NONE) {
+    m_connection.destroy_window(m_window);
+  }
+}
+
 /**
  * Get output window
  */