Free duplicated strings
Free duplicated strings

Some strings duplicated with (lsx_)strdup were not freed properly,
causing a memory leak. Fix this.

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