ported the graph library to borland

[SVN r7965]

examples/dynamic_components.cpp

@@ -61,7 +61,7 @@
 
 using namespace std;
 
-int main(int argc, char* argv[]) 
+int main(int , char* []) 
 {
   using namespace boost;
   typedef adjacency_list <vecS, vecS, undirectedS> Graph;