Added missing lv_img_cache.c to makefile
@@ -7,6 +7,7 @@ CSRCS += lv_draw_img.c
CSRCS += lv_draw_arc.c
CSRCS += lv_draw_triangle.c
CSRCS += lv_img_decoder.c
+CSRCS += lv_img_cache.c
DEPPATH += --dep-path $(LVGL_DIR)/lvgl/src/lv_draw
VPATH += :$(LVGL_DIR)/lvgl/src/lv_draw
