[LibFuzzer] Unbreak the `trace-malloc-unbalanced.test` when using Python 3.
[LibFuzzer] Unbreak the `trace-malloc-unbalanced.test` when using Python 3.

The `unbalanced_allocs.py` script uses Python 2 print statement
and `iteritems()`. Running `2to3` over the script fixes these.

Differential Revision: https://reviews.llvm.org/D45765

git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@330389 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt