fixes for SGI MIPSpro C++ and STLport. Mostly had to do with members

being compiled even when they are not called. Still need fixes for
iterator adaptors


[SVN r8583]

libs/graph

@@ -1 +1 @@
-Subproject commit 38a33123842ff13e87d6908edb8ebc0cf0a5d85b
+Subproject commit 3640e80d379a4fafe6b36492ef144e7a98c21ca6