Remove mixed-source.patch from zlib.

third_party/zlib/deflate.h

 /* deflate.h -- internal compression state
  * Copyright (C) 1995-2012 Jean-loup Gailly
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
 /* WARNING: this file should *not* be used by applications. It is
    part of the implementation of the compression library and is
    subject to change. Applications should only use zlib.h.
  */
 
@@ skipping 76 matching lines @@
 } FAR tree_desc;
 
 typedef ush Pos;
 typedef Pos FAR Posf;
 typedef unsigned IPos;
 
 /* A Pos is an index in the character window. We use short instead of int to
  * save space in the various tables. IPos is used only for parameter passing.
  */
 
-#define Z_COOKIE_HASH_SIZE 256
-#define Z_COOKIE_HASH_MASK (Z_COOKIE_HASH_SIZE-1)
-
 typedef struct internal_state {
     z_streamp strm;      /* pointer back to this zlib stream */
     int   status;        /* as the name implies */
     Bytef *pending_buf;  /* output still pending */
     ulg   pending_buf_size; /* size of pending_buf */
     Bytef *pending_out;  /* next pending byte to output to the stream */
     uInt   pending;      /* nb of bytes in the pending buffer */
     int   wrap;          /* bit 0 true for zlib, bit 1 true for gzip */
     gz_headerp  gzhead;  /* gzip header information to write */
     uInt   gzindex;      /* where in extra, name, or comment */
@@ skipping 28 matching lines @@
      */
 
     Posf *head; /* Heads of the hash chains or NIL. */
 
     uInt  ins_h;          /* hash index of string to be inserted */
     uInt  hash_size;      /* number of elements in hash table */
     uInt  hash_bits;      /* log2(hash_size) */
     uInt  hash_mask;      /* hash_size-1 */
 
     uInt  hash_shift;
-    Bytef *class_bitmap;  /* bitmap of class for each byte in window */
-    IPos cookie_locations[Z_COOKIE_HASH_SIZE];
     /* Number of bits by which ins_h must be shifted at each input
      * step. It must be such that after MIN_MATCH steps, the oldest
      * byte no longer takes part in the hash key, that is:
      *   hash_shift * MIN_MATCH >= hash_bits
      */
 
     long block_start;
     /* Window position at the beginning of the current output block. Gets
      * negative when the window is moved backwards.
      */
@@ skipping 192 matching lines @@
 void ZLIB_INTERNAL crc_fold_init(deflate_state* const s);
 void ZLIB_INTERNAL crc_fold_copy(deflate_state* const s,
                                  unsigned char* dst,
                                  const unsigned char* src,
                                  long len);
 unsigned ZLIB_INTERNAL crc_fold_512to32(deflate_state* const s);
 
 void ZLIB_INTERNAL fill_window_sse(deflate_state* s);
 
 #endif /* DEFLATE_H */