Adding minor fix for when DEBUG_COMMENTS is enabled.

[jershmagersh]

This fixes a case where instruction is uninitialized when DEBUG_COMMENTS is enabled and the build target is not _WIN64:

        // Bug: our distorm fails to dissassemble rdtscp on x86
        //if (ide(&instruction, (void*)ExceptionInfo->ContextRecord->Eip) && !stricmp("rdtscp", instruction.mnemonic.p)) {
        if (!memcmp((PUCHAR)ExceptionInfo->ContextRecord->Eip, "\x0f\x01\xf9", 3)) {
            if (g_config.nop_rdtscp)
            {
                DWORD OldProtect;
                VirtualProtect((PVOID)ExceptionInfo->ContextRecord->Eip, 3, PAGE_EXECUTE_READWRITE, &OldProtect);
                memcpy((PVOID)ExceptionInfo->ContextRecord->Eip, "\x90\x90\x90", 3);
                VirtualProtect((PVOID)ExceptionInfo->ContextRecord->Eip, 3, OldProtect, &OldProtect); 
            }
            else
            {
                DWORD64 Timestamp = __rdtsc();
                ExceptionInfo->ContextRecord->Eax = (DWORD)Timestamp;
                ExceptionInfo->ContextRecord->Edx = Timestamp >> 32;
                ExceptionInfo->ContextRecord->Eip += lde((void*)ExceptionInfo->ContextRecord->Eip);
            }

Moving the _DecodedInst instruction declaration before the #ifdef _WIN64 fixes this case.

[gemini-code-assist]

Code Review

This pull request modifies CAPE/Debugger.c to declare the instruction variable unconditionally. The review feedback correctly points out that this change will cause an unused variable warning or compilation error on x86 builds where _WIN64 is not defined, and suggests conditionally declaring the variable only when needed.

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[gemini-code-assist]

Declaring instruction unconditionally will lead to an unused variable warning (or error if warnings are treated as errors) on x86 builds when DEBUG_COMMENTS is disabled, because instruction is only used when _WIN64 is defined or when DEBUG_COMMENTS is enabled. Conditionally declaring it only when needed avoids this issue.

	#if defined(_WIN64) || defined(DEBUG_COMMENTS)
		_DecodedInst instruction;
	#endif
	#ifdef _WIN64