erdos_renyi_generator.hpp:

  - Keep geometric_distribution happy by passing a non-zero probability

compressed_sparse_row_graph.hpp:
  - Weaken precondition for the Parallel BGL


[SVN r32712]

libs/graph

@@ -1 +1 @@
-Subproject commit 70e0dd2d23cfb2c116135acea81e5333677596af
+Subproject commit 7f05dc489b79fe5df15d50dc52401adb41878038