cmd: Use autoptr for GKeyFile

Prep for code style conversion.

Closes: #891
Approved by: jlebon

src/ostree/ot-admin-builtin-deploy.c

@@ -56,7 +56,7 @@ ot_admin_builtin_deploy (int argc, char **argv, GCancellable *cancellable, GErro
   const char *refspec;
   g_autoptr(GOptionContext) context = NULL;
   glnx_unref_object OstreeSysroot *sysroot = NULL;
-  GKeyFile *origin = NULL;
+  g_autoptr(GKeyFile) origin = NULL;
   glnx_unref_object OstreeRepo *repo = NULL;
   glnx_unref_object OstreeDeployment *new_deployment = NULL;
   glnx_unref_object OstreeDeployment *merge_deployment = NULL;
@@ -171,7 +171,5 @@ ot_admin_builtin_deploy (int argc, char **argv, GCancellable *cancellable, GErro
 
   ret = TRUE;
  out:
-  if (origin)
-    g_key_file_unref (origin);
   return ret;
 }

src/ostree/ot-admin-builtin-switch.c

@@ -58,7 +58,7 @@ ot_admin_builtin_switch (int argc, char **argv, GCancellable *cancellable, GErro
   glnx_unref_object OstreeAsyncProgress *progress = NULL;
   gboolean changed;
   GKeyFile *old_origin;
-  GKeyFile *new_origin = NULL;
+  g_autoptr(GKeyFile) new_origin = NULL;
 
   context = g_option_context_new ("REF - Construct new tree from REF and deploy it");
 
@@ -166,7 +166,5 @@ ot_admin_builtin_switch (int argc, char **argv, GCancellable *cancellable, GErro
 
   ret = TRUE;
  out:
-  if (new_origin)
-    g_key_file_unref (new_origin);
   return ret;
 }