bzip2: pass sorting params through EState* pointer

function                                             old     new   delta
mainGtU                                              499     515     +16
sendMTFValues                                       2085    2094      +9
mainSort                                            1116    1119      +3
generateMTFValues                                    357     356      -1
fallbackSort                                        1719    1705     -14
mainQSort3                                          1163    1141     -22
BZ2_blockSort                                        118      85     -33
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/4 up/down: 28/-70)            Total: -42 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/archival/libarchive/bz/bzlib_private.h b/archival/libarchive/bz/bzlib_private.h
index 4acaef8..fc05d0e 100644
--- a/archival/libarchive/bz/bzlib_private.h
+++ b/archival/libarchive/bz/bzlib_private.h
@@ -121,6 +121,7 @@
 	/* mode this stream is in, and whether inputting */
 	/* or outputting data */
 	int32_t  mode;
+//both smallint?
 	int32_t  state;
 
 	/* remembers avail_in when flush/finish requested */
@@ -134,6 +135,9 @@
 	uint32_t *arr2;
 	uint32_t *ftab;
 
+	uint16_t* quadrant;
+	int32_t  budget;
+
 	/* aliases for arr1 and arr2 */
 	uint32_t *ptr;
 	uint8_t  *block;
@@ -142,6 +146,7 @@
 
 	/* guess what */
 	uint32_t *crc32table;
+//move down
 
 	/* run-length-encoding of the input */
 	uint32_t state_in_ch;
@@ -165,6 +170,7 @@
 	/* misc administratium */
 	int32_t  blockNo;
 	int32_t  blockSize100k;
+//smallint?
 
 	/* stuff for coding the MTF values */
 	int32_t  nMTF;