Add libsfx to sox libs
Add libsfx to sox libs

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