add snapped-line.cpp and snapped-line.h to src/Makefile_insert for make distcheck

diff --git a/src/Makefile_insert b/src/Makefile_insert
index 3d5d2e55a3b8942aa62c2a807a84613ffca000be..9a52f51de23012fb7f2d3b1307201d70e208e8b1 100644 (file)
--- a/src/Makefile_insert
+++ b/src/Makefile_insert
@@ -141,6 +141,7 @@ libinkpre_a_SOURCES =       \
        shape-editor.cpp shape-editor.h \
        shortcuts.cpp shortcuts.h       \
        snap.cpp snap.h \
+       snapped-line.cpp snapped-line.h \
        snapped-point.cpp snapped-point.h \
        snapper.cpp snapper.h \
        line-snapper.cpp line-snapper.h \