Fix for st_hcomwrite with unsigned len.
Fix for st_hcomwrite with unsigned len.

Distrotech/sox,Distrotech/sox,CaptainHayashi/sox,mhartzel/sox_personal_fork,Motiejus/sox,cbagwell/sox,MageSlayer/sox,davel/sox,cbagwell/sox,davel/sox,CaptainHayashi/sox,pcqpcq/sox,mhartzel/sox_personal_fork,CaptainHayashi/sox,davel/sox,uklauer/sox,jacksonh/sox,mhartzel/sox_personal_fork,cbagwell/sox,MageSlayer/sox,jacksonh/sox,pcqpcq/sox,MageSlayer/sox,Distrotech/sox,uklauer/sox,Motiejus/sox,pcqpcq/sox,MageSlayer/sox,pcqpcq/sox,jacksonh/sox,MageSlayer/sox,Distrotech/sox,cbagwell/sox,jacksonh/sox,davel/sox,mhartzel/sox_personal_fork,Motiejus/sox,Motiejus/sox,uklauer/sox,CaptainHayashi/sox,uklauer/sox