Fix warning.
Fix warning.

hillu/yara,cblichmann/yara,plusvic/yara,VirusTotal/yara,VirusTotal/yara,pombredanne/yara,plusvic/yara,wxsBSD/yara,hillu/yara,rednaga/yara,pombredanne/yara,rednaga/yara,tanium/yara,cblichmann/yara,rednaga/yara,cblichmann/yara,wxsBSD/yara,VirusTotal/yara,cblichmann/yara,wxsBSD/yara,pombredanne/yara,cblichmann/yara,pombredanne/yara,VirusTotal/yara,pombredanne/yara,wxsBSD/yara,hillu/yara,plusvic/yara,hillu/yara,tanium/yara,wxsBSD/yara,VirusTotal/yara,plusvic/yara,hillu/yara,plusvic/yara,tanium/yara