Add missing include.
Add missing include.

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