[gnome-builder] workbench: fix icon names for panes

[Christian Hergert <chergert src gnome org>]

commit 9ba6fdf04985e6bc8eb0e21ea75a7927dca81dff
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jul 27 18:25:51 2018 -0700

    workbench: fix icon names for panes

 src/libide/editor/ide-editor-workbench-addin.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/libide/editor/ide-editor-workbench-addin.c b/src/libide/editor/ide-editor-workbench-addin.c
index a653881a9..641e8f8e7 100644
--- a/src/libide/editor/ide-editor-workbench-addin.c
+++ b/src/libide/editor/ide-editor-workbench-addin.c
@@ -179,7 +179,7 @@ ide_editor_workbench_addin_add_buttons (IdeEditorWorkbenchAddin *self,
                          "focus-on-click", FALSE,
                          "tooltip-text", _("Toggle navigation panel"),
                          "child", g_object_new (GTK_TYPE_IMAGE,
-                                                "icon-name", "panel-left-pane-symbolic",
+                                                "icon-name", "builder-view-left-pane-symbolic",
                                                 "margin-start", 12,
                                                 "margin-end", 12,
                                                 "visible", TRUE,
@@ -193,7 +193,7 @@ ide_editor_workbench_addin_add_buttons (IdeEditorWorkbenchAddin *self,
                          "focus-on-click", FALSE,
                          "tooltip-text", _("Toggle utilities panel"),
                          "child", g_object_new (GTK_TYPE_IMAGE,
-                                                "icon-name", "panel-bottom-pane-symbolic",
+                                                "icon-name", "builder-view-bottom-pane-symbolic",
                                                 "margin-start", 12,
                                                 "margin-end", 12,
                                                 "visible", TRUE,