basic_graph.cpp:

  - Fix bugs pointed out by Apple's GCC 4.0.0

page_rank.cpp:
  - Make the "done" version actually work

visitor.hpp:
  - Undefine BGL_VISITOR_EVENT properly


[SVN r29931]

libs/graph

@@ -1 +1 @@
-Subproject commit 6aca595636f3adb0cd1e6292cb2deca09cc87729
+Subproject commit 7ce3496b77803ddf8c2b829ca3d273c42a9a08be