Fix buffer overrun in dotnet module.
Fix buffer overrun in dotnet module.


wxsBSD/yara,wxsBSD/yara,VirusTotal/yara,VirusTotal/yara,wxsBSD/yara,hillu/yara,hillu/yara,pombredanne/yara,wxsBSD/yara,hillu/yara,VirusTotal/yara,pombredanne/yara,pombredanne/yara,VirusTotal/yara,pombredanne/yara,VirusTotal/yara,hillu/yara,hillu/yara,wxsBSD/yara,pombredanne/yara