[llvm-mc-fuzzer] Use LLVMFuzzerInitialize() instead of a custom main() and FuzzerDriver()

Reviewers: kcc

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D20201

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@269405 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed