[FIX] reverting my last change on iterator_interface.h (will go into 1.5)
[FIX] reverting my last change on iterator_interface.h (will go into 1.5)

git-svn-id: a7f2a8f7432d210e972fb03898013d213e2b549b@14223 e6417c60-b987-48fd-844e-b20f0fcc1017

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