cc-classes: add missing virtual destructors

Origin commit data
------------------
Commit: 2b5e1e1acc
Author: Thilo Graf <dbt@novatux.de>
Date: 2019-10-27 (Sun, 27 Oct 2019)

src/gui/components/cc_frm_button.h

@@ -132,6 +132,8 @@ class CComponentsButton : public CComponentsFrmChain, public CCTextScreen
 					int shadow_mode = CC_SHADOW_OFF,
 					fb_pixel_t color_frame = COL_FRAME_PLUS_0, fb_pixel_t color_body = COL_BUTTON_BODY, fb_pixel_t color_shadow = COL_SHADOW_PLUS_0);
 
+		virtual ~CComponentsButton(){};
+
 		///set text color
 		void setButtonTextColor(fb_pixel_t caption_color){cc_btn_text_col = caption_color;};