[llvm-pdbutil] Update #includes (NFC)
authorKazu Hirata <kazu@google.com>
Wed, 14 Dec 2022 08:32:06 +0000 (00:32 -0800)
committerKazu Hirata <kazu@google.com>
Wed, 14 Dec 2022 08:32:06 +0000 (00:32 -0800)
commitb9b877f91e2001efaf0684b8ce436967dcdf91ca
tree2831981c7b40bbaa29943422d090cd7a6f79afd0
parent356bbbbda9d00d734b8fbfc1492f584b25b4b6f0
[llvm-pdbutil] Update #includes (NFC)

The header file uses std::optional, but it's realying a transitive
inclusion of <optional>.  Meanwhile, it no longer uses llvm::Optional.
llvm/tools/llvm-pdbutil/StreamUtil.h