Workaround OpaquePointers for LLVM 15
Workaround OpaquePointers for LLVM 15

This workaround allows bpftrace to be compiled against
LLVM-15.  This will have to be address properly before LLVM-16
More details from LLVM here: https://llvm.org/docs/OpaquePointers.html

iovisor/bpftrace,iovisor/bpftrace,iovisor/bpftrace,iovisor/bpftrace