Fix warning.
Fix warning.

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