undostack back again

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4191 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/Makefile.am b/src/Makefile.am
index ab93038cc3441935a021028a22c95c6e4fe65697..3624d2a11cadfddfd2f077a00f46676f4e0a2afc 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -214,6 +214,8 @@ lyx_SOURCES = \
        undo.h \
        undo_funcs.C \
        undo_funcs.h \
+       undostack.C \
+       undostack.h \
        vc-backend.C \
        vc-backend.h \
        version.C \