bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash

/* Sort.h */

#ifndef __7Z_Sort_H
#define __7Z_Sort_H

#include "Types.h"

void HeapSort(UInt32 *p, UInt32 size);
/* void HeapSortRef(UInt32 *p, UInt32 *vals, UInt32 size); */

#endif