lib/gterm: Set bg_canvas to NULL after free to prevent double-free
diff --git a/common/lib/gterm.c b/common/lib/gterm.c
index 7a76d61c..349eef75 100644
--- a/common/lib/gterm.c
+++ b/common/lib/gterm.c
@@ -806,6 +806,7 @@ no_load_font:;
if (bg_canvas != NULL) {
pmm_free(bg_canvas, bg_canvas_size);
+ bg_canvas = NULL;
}
}
