libglnx porting: gs_free -> g_autofree

There were surprisingly few uses left.

src/libostree/ostree-kernel-args.c

@@ -65,7 +65,7 @@ _ostree_kernel_args_new (void)
 }
 
 void
-_ostree_kernel_args_free (OstreeKernelArgs *kargs)
+_ostree_kernel_arg_autofree (OstreeKernelArgs *kargs)
 {
   if (!kargs)
     return;
@@ -77,7 +77,7 @@ _ostree_kernel_args_free (OstreeKernelArgs *kargs)
 void
 _ostree_kernel_args_cleanup (void *loc)
 {
-  _ostree_kernel_args_free (*((OstreeKernelArgs**)loc));
+  _ostree_kernel_arg_autofree (*((OstreeKernelArgs**)loc));
 }
 
 void

src/libostree/ostree-repo-pull.c

@@ -1399,8 +1399,8 @@ request_static_delta_superblock_sync (OtPullData  *pull_data,
   if (delta_superblock_data)
     {
       {
-        gs_free gchar *delta = NULL;
-        gs_free guchar *ret_csum = NULL;
+        g_autofree gchar *delta = NULL;
+        g_autofree guchar *ret_csum = NULL;
         guchar *summary_csum;
         g_autoptr (GInputStream) summary_is = NULL;
 

src/libostree/ostree-repo.c

@@ -4626,10 +4626,10 @@ ostree_repo_regenerate_summary (OstreeRepo     *self,
     g_variant_dict_init (&deltas_builder, NULL);
     for (i = 0; i < delta_names->len; i++)
       {
-        gs_free char *from = NULL;
-        gs_free char *to = NULL;
-        gs_free guchar *csum = NULL;
-        gs_free char *superblock = NULL;
+        g_autofree char *from = NULL;
+        g_autofree char *to = NULL;
+        g_autofree guchar *csum = NULL;
+        g_autofree char *superblock = NULL;
         glnx_fd_close int superblock_file_fd = -1;
         g_autoptr(GInputStream) in_stream = NULL;
 

src/libostree/ostree-sysroot-deploy.c

@@ -941,8 +941,8 @@ get_kernel_from_tree (int             deployment_dfd,
   g_auto(GLnxDirFdIterator) dfditer = { 0, };
   g_autofree char *ret_kernel_name = NULL;
   g_autofree char *ret_initramfs_name = NULL;
-  gs_free char *kernel_checksum = NULL;
-  gs_free char *initramfs_checksum = NULL;
+  g_autofree char *kernel_checksum = NULL;
+  g_autofree char *initramfs_checksum = NULL;
 
   ret_boot_dfd = glnx_opendirat_with_errno (deployment_dfd, "usr/lib/ostree-boot", TRUE);
   if (ret_boot_dfd == -1)