Work-around libmagic failing for 1-byte files
Work-around libmagic failing for 1-byte files

Causes the error message "finfo::file(): Failed identify data 0:(null)"
in older libmagic/PHP versions, mostly in the ancient PHP 5.x tree.

MenesesEvandro/WCF,Cyperghost/WCF,Cyperghost/WCF,Morik/WCF,Cyperghost/WCF,Morik/WCF,WoltLab/WCF,WoltLab/WCF,Morik/WCF,SoftCreatR/WCF,Cyperghost/WCF,SoftCreatR/WCF,Morik/WCF,MenesesEvandro/WCF,SoftCreatR/WCF,WoltLab/WCF,SoftCreatR/WCF,Cyperghost/WCF,WoltLab/WCF