total_in, total_out move to PackUnix

modified:   p_lx_elf.cpp
	modified:   p_lx_elf.h
	modified:   p_lx_interp.cpp
	modified:   p_mach.cpp
	modified:   p_unix.cpp
	modified:   p_unix.h

src/p_unix.h

@@ -73,12 +73,12 @@ protected:
         off_t size;
     };
     virtual void packExtent(const Extent &x,
-        unsigned &total_in, unsigned &total_out, Filter *, OutputFile *,
+        Filter *, OutputFile *,
         unsigned hdr_len = 0, unsigned b_extra = 0);
     virtual void unpackExtent(unsigned wanted, OutputFile *fo,
-        unsigned &total_in, unsigned &total_out,
         unsigned &c_adler, unsigned &u_adler,
         bool first_PF_X, unsigned szb_info, bool is_rewrite = false);
+    unsigned total_in, total_out;  // unpack
 
     int exetype;
     unsigned blocksize;