Revert unintended Makefile change
diff --git a/src/Makefile b/src/Makefile
index 4b342da..bd6c187 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -355,7 +355,7 @@
 #CONF_OPT_GUI = --enable-gui=gnome2 --disable-gtktest
 #CONF_OPT_GUI = --enable-gui=gtk3
 #CONF_OPT_GUI = --enable-gui=gtk3 --disable-gtktest
-CONF_OPT_GUI = --enable-gui=motif
+#CONF_OPT_GUI = --enable-gui=motif
 #CONF_OPT_GUI = --enable-gui=motif --with-motif-lib="-static -lXm -shared"
 
 # Uncomment this line to run an individual test with gvim.