shithub: pplay

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fix crop command

--- a/cmd.c

+++ b/cmd.c

@@ -462,8 +462,8 @@

 		dot.to.pos -= dot.from.pos;

 		dot.from.pos = 0;

 	}

-	for(Δ=0; c!=&norris; Δ+=c->bufsz, c=c->right)

-		if(Δ + c->bufsz >= dot.to.pos)

+	for(; c!=&norris; dot.to.pos-=c->bufsz, c=c->right)

+		if(c->bufsz >= dot.to.pos)

 			break;

 	if(dot.to.pos > 0)

 		resizechunk(c, dot.to.pos);