Unchecked Input for Loop Condition, transpose-ref.cpp

[lslusarczyk]

examples/mhp/transpose-ref.cpp:130

iters in for (int i = 0; i < iters; ++i) comes from user input. Silence warning e.g. by asserting it is less than 100000.

[BenBrock]

@lslusarczyk I believe this is resolved now and can be closed?