--- a/ui/motif/objs.mk	Thu May 15 17:17:58 2014 +0200
+++ b/ui/motif/objs.mk	Thu May 15 20:06:28 2014 +0200
@@ -38,6 +38,7 @@
 MOTIFOBJ += button.o
 MOTIFOBJ += text.o
 MOTIFOBJ += list.o
+MOTIFOBJ += tree.o
 
 TOOLKITOBJS = $(MOTIFOBJ:%=$(MOTIF_OBJPRE)%)
 TOOLKITSOURCE = $(MOTIFOBJ:%.o=motif/%.c)