shithub: clone

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fix double-free

--- a/clone.c

+++ b/clone.c

@@ -480,7 +480,6 @@

 	threadsetname("fileproc");

-	dst = nil;

 	wg = v;

 	for(;;){

 		f = recvp(filechan);

@@ -487,6 +486,7 @@

 		if(f == nil)

 			break;

+		dst = nil;

 		f->sfd = open(f->src, OREAD);

 		if(f->sfd < 0){

 			error("can't open: %r");