Fix passing &size to int *lenptr

Index: src/copyout.c
--- src/copyout.c.orig
+++ src/copyout.c
@@ -365,7 +365,7 @@ int do_text(volume* vol, hfsp_fork_raw *fork, UInt8 fo
     {
         UInt32  block   = blockiter_curr(&iter);
         int     result  = volume_readinbuf(vol, buf, block);
-        size_t	size    = total > blksize ? blksize : total;
+        int     size    = total > blksize ? blksize : total;
 	size_t	bytes;
 	char	*latin1, *ptr, *ptrend;
         if (result)