[PATCH] Add FreeBSD support to the address sanitizer's deep_call_stack.cc test case

[Ed Maste]

> Kostya, do you think we'd better relax the test a bit and use 15K on all platforms? I'd vote for that.

I agree.

In addition, if we find defaults in FreeBSD that are at odds with all other contemporary platforms the FreeBSD team should give consideration to changing those defaults.

http://reviews.llvm.org/D4562