[gnome-builder/editor-layout] add private to build

[Christian Hergert <chergert src gnome org>]

commit 4c8988583d7301deadb918861e391493e84f0af0
Author: Christian Hergert <christian hergert me>
Date:   Sun Nov 30 02:48:53 2014 -0800

    add private to build

 src/gnome-builder.mk |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/gnome-builder.mk b/src/gnome-builder.mk
index a23f5ad..e65598f 100644
--- a/src/gnome-builder.mk
+++ b/src/gnome-builder.mk
@@ -57,6 +57,7 @@ libgnome_builder_la_SOURCES = \
        src/editor/gb-editor-file-marks.h \
        src/editor/gb-editor-frame.c \
        src/editor/gb-editor-frame.h \
+       src/editor/gb-editor-frame-private.h \
        src/editor/gb-editor-navigation-item.c \
        src/editor/gb-editor-navigation-item.h \
        src/editor/gb-editor-settings-widget.c \