[gnome-builder] gui: fix compiler warnings

[Christian Hergert <chergert src gnome org>]

commit 646e6e7bfdaf22aad9a77217b78bc7f64c3812a7
Author: Christian Hergert <chergert redhat com>
Date:   Mon Feb 25 17:53:24 2019 -0800

    gui: fix compiler warnings

 src/libide/gui/ide-workbench.c | 2 --
 src/libide/gui/ide-workspace.c | 1 -
 2 files changed, 3 deletions(-)
---
diff --git a/src/libide/gui/ide-workbench.c b/src/libide/gui/ide-workbench.c
index cd2ce6fc3..cdec87604 100644
--- a/src/libide/gui/ide-workbench.c
+++ b/src/libide/gui/ide-workbench.c
@@ -1099,7 +1099,6 @@ ide_workbench_load_project_async (IdeWorkbench        *self,
                                   GAsyncReadyCallback  callback,
                                   gpointer             user_data)
 {
-  g_autoptr(GPtrArray) addins = NULL;
   g_autoptr(IdeTask) task = NULL;
   g_autoptr(GFile) parent = NULL;
   g_autofree gchar *name = NULL;
@@ -2449,7 +2448,6 @@ ide_workbench_resolve_file_async (IdeWorkbench        *self,
                                   GAsyncReadyCallback  callback,
                                   gpointer             user_data)
 {
-  g_autofree gchar *srcpath = NULL;
   g_autoptr(IdeTask) task = NULL;
   ResolveFile *rf;
 
diff --git a/src/libide/gui/ide-workspace.c b/src/libide/gui/ide-workspace.c
index 7db4e9a03..7498f7634 100644
--- a/src/libide/gui/ide-workspace.c
+++ b/src/libide/gui/ide-workspace.c
@@ -267,7 +267,6 @@ ide_workspace_delete_event (GtkWidget   *widget,
 {
   IdeWorkspace *self = (IdeWorkspace *)widget;
   IdeWorkspacePrivate *priv = ide_workspace_get_instance_private (self);
-  g_autoptr(IdeTask) task = NULL;
   IdeWorkbench *workbench;
 
   g_assert (IDE_IS_WORKSPACE (self));