* include/backward/algo.h, include/backward/algobase.h,
	include/backward/alloc.h, include/backward/complex.h,
	include/backward/defalloc.h, include/backward/function.h,
	include/backward/iterator.h, include/backward/new.h,
	include/backward/ostream.h, include/backward/queue.h,
	include/backward/rope.h, include/backward/stream.h,
	include/backward/streambuf.h, include/backward/strstream,
	include/backward/tempbuf.h, include/backward/tree.h,
	include/backward/vector.h: Remove trailing whitespace.

From-SVN: r74455