Extra parameter for compressWithFilters and packExtent,

to fix 2-pass problem with --brute on linux/elf386.
Only one decompression method is allowed, chosen by
smallest output for .text; but Elf headers come first.
	packer.cpp packer.h p_unix.cpp p_unix.h p_lx_elf.cpp

committer: jreiser <jreiser> 1140241030 +0000

src/packer.h

@@ -172,7 +172,9 @@ protected:
                              const int *filters = NULL,
                              unsigned max_offset = 0, unsigned max_match = 0,
                              unsigned filter_buf_off = 0,
-                             unsigned compress_buf_off = 0);
+                             unsigned compress_buf_off = 0,
+                             unsigned char *header_buffer = 0,
+                             unsigned header_length = 0);
 
     // util for verifying overlapping decompresion
     //   non-destructive test