diff -r 2a9a5d7f1a16 -r 6b2b718420eb algobox.cc
--- a/algobox.cc	Wed Feb 28 15:19:20 2007 +0000
+++ b/algobox.cc	Wed Feb 28 18:20:28 2007 +0000
@@ -17,6 +17,8 @@
  */
 
 #include <algobox.h>
+#include <mapstorage.h>
+#include <mapselector.h>
 
 enum {N_DEMO1, N_DEMO2, NODE_INPUT_NUM}; // input IDs for nodes;
 enum {E_DEMO1, EDGE_INPUT_NUM}; // input IDs for edges;