[lldb] Fix a log format warning on Windows, don't assume uint64_t is a long type

[mstorsjo]

Summary

On Windows, long is 32 bit, and uint64_t is long long.

lldb/source/Plugins/Instruction/RISCV/EmulateInstructionRISCV.cpp

std::optional<DecodeResult> EmulateInstructionRISCV::Decode(uint32_t inst) {
   // we also need to check it here
   if (m_arch.GetCore() == ArchSpec::eCore_riscv32)
     inst_type = RV32;
 
   for (const InstrPattern &pat : PATTERNS) {
     if ((inst & pat.type_mask) == pat.eigen &&
         (inst_type & pat.inst_type) != 0) {
       LLDB_LOGF(
-          log, "EmulateInstructionRISCV::%s: inst(%x at %lx) was decoded to %s",
+          log, "EmulateInstructionRISCV::%s: inst(%x at %" PRIx64 ") was decoded to %s",
           __FUNCTION__, inst, m_addr, pat.name);
       auto decoded = is_rvc ? pat.decode(try_rvc) : pat.decode(inst);
       return DecodeResult{decoded, inst, is_rvc, pat};
     }
   }
   LLDB_LOGF(log, "EmulateInstructionRISCV::%s: inst(0x%x) was unsupported",
             __FUNCTION__, inst);
   return std::nullopt;