[gnome-control-center] info-overview: Fix a memory leak

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit b8710840803deddc4d0c9c51874575216a3d3840
Author: Mohammed Sadiq <sadiq sadiqpk org>
Date:   Fri Nov 8 14:37:48 2019 +0530

    info-overview: Fix a memory leak

 panels/info-overview/gnome-control-center-print-renderer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/panels/info-overview/gnome-control-center-print-renderer.c 
b/panels/info-overview/gnome-control-center-print-renderer.c
index ba5a11b48..3e83703c3 100644
--- a/panels/info-overview/gnome-control-center-print-renderer.c
+++ b/panels/info-overview/gnome-control-center-print-renderer.c
@@ -48,7 +48,7 @@ get_gtk_gles_renderer (void)
 int
 main (int argc, char **argv)
 {
-        char *renderer_string = NULL;
+        g_autofree char *renderer_string = NULL;
 
         gtk_init (NULL, NULL);