Fix errors in endian.h
Fix errors in endian.h

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