[gnome-session] gnome-session-check-accelerated: Fix a leak

[Ray Strode <halfline src gnome org>]

commit d2e042d979a2893b5247efcec853db3d8d925459
Author: Philip Withnall <pwithnall endlessos org>
Date:   Mon Nov 15 21:37:26 2021 +0000

    gnome-session-check-accelerated: Fix a leak
    
    Signed-off-by: Philip Withnall <pwithnall endlessos org>

 tools/gnome-session-check-accelerated.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/tools/gnome-session-check-accelerated.c b/tools/gnome-session-check-accelerated.c
index 31f0a525..0cd16c3f 100644
--- a/tools/gnome-session-check-accelerated.c
+++ b/tools/gnome-session-check-accelerated.c
@@ -132,7 +132,7 @@ main (int argc, char **argv)
         int estatus;
         char *gl_helper_argv[] = { LIBEXECDIR "/gnome-session-check-accelerated-gl-helper", 
"--print-renderer", NULL };
         char *gles_helper_argv[] = { LIBEXECDIR "/gnome-session-check-accelerated-gles-helper", 
"--print-renderer", NULL };
-        char *renderer_string = NULL;
+        const char *renderer_string = NULL;
         char *gl_renderer_string = NULL, *gles_renderer_string = NULL;
         gboolean gl_software_rendering = FALSE, gles_software_rendering = FALSE;
         Window rootwin;
@@ -148,9 +148,9 @@ main (int argc, char **argv)
          * when requesting information about the second.
          */
         if (is_discrete_gpu_check () || g_strcmp0 (g_getenv ("XDG_SESSION_TYPE"), "x11") != 0) {
-                renderer_string = get_gtk_gles_renderer ();
-                if (renderer_string) {
-                        g_print ("%s", renderer_string);
+                g_autofree char *discrete_renderer_string = get_gtk_gles_renderer ();
+                if (discrete_renderer_string) {
+                        g_print ("%s", discrete_renderer_string);
                         return 0;
                 }
                 return 1;