fixed mistake in creating component_index, and updated expected output

for adjacency_list.cpp


[SVN r7824]

libs/graph

@@ -1 +1 @@
-Subproject commit 5e9b37759b1d63d534e5198d147d80b6fd6b26f4
+Subproject commit 180264b80a343073846ae4af3c7f65bb39b2330d