[gnome-builder] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit a9e0db19ab0028a3a14e1f7299bd0cdf92311d66
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Oct 18 03:52:41 2016 +0200

    Update POTFILES.in

 po/POTFILES.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 2660235..a1d5787 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -162,6 +162,7 @@ plugins/quick-highlight/gbp-quick-highlight-preferences.c
 plugins/support/gtk/menus.ui
 plugins/support/ide-support-application-addin.c
 plugins/symbol-tree/symbol-tree-panel.c
+plugins/symbol-tree/symbol-tree-panel.ui
 plugins/sysmon/gb-sysmon-panel.ui
 plugins/sysprof/gbp-sysprof-perspective.c
 plugins/sysprof/gbp-sysprof-perspective.ui