bzip2: move ->origPtr out of struct EState, make a few members smaller

function                                             old     new   delta
BZ2_compressBlock                                    223     228      +5
BZ2_blockSort                                         85      88      +3
generateMTFValues                                    356     357      +1
handle_compress                                      355     349      -6
compressStream                                       538     531      -7
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/2 up/down: 9/-13)              Total: -4 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 fc05d0e..8b8bbe3 100644
--- a/archival/libarchive/bz/bzlib_private.h
+++ b/archival/libarchive/bz/bzlib_private.h
@@ -120,9 +120,11 @@
 
 	/* mode this stream is in, and whether inputting */
 	/* or outputting data */
-	int32_t  mode;
-//both smallint?
-	int32_t  state;
+	uint8_t mode;
+	uint8_t state;
+
+	/* misc administratium */
+	uint8_t blockSize100k;
 
 	/* remembers avail_in when flush/finish requested */
 /* bbox: not needed, strm->avail_in always has the same value */
@@ -130,12 +132,11 @@
 	/* uint32_t avail_in_expect; */
 
 	/* for doing the block sorting */
-	int32_t  origPtr;
 	uint32_t *arr1;
 	uint32_t *arr2;
 	uint32_t *ftab;
 
-	uint16_t* quadrant;
+	uint16_t *quadrant;
 	int32_t  budget;
 
 	/* aliases for arr1 and arr2 */
@@ -144,10 +145,6 @@
 	uint16_t *mtfv;
 	uint8_t  *zbits;
 
-	/* guess what */
-	uint32_t *crc32table;
-//move down
-
 	/* run-length-encoding of the input */
 	uint32_t state_in_ch;
 	int32_t  state_in_len;
@@ -156,21 +153,22 @@
 	int32_t  nblock;
 	int32_t  nblockMAX;
 	//int32_t  numZ; // index into s->zbits[], replaced by pointer:
-	uint8_t *posZ;
-	uint8_t *state_out_pos;
+	uint8_t  *posZ;
+	uint8_t  *state_out_pos;
 
 	/* the buffer for bit stream creation */
 	uint32_t bsBuff;
 	int32_t  bsLive;
 
+	/* guess what */
+	uint32_t *crc32table;
+
 	/* block and combined CRCs */
 	uint32_t blockCRC;
 	uint32_t combinedCRC;
 
 	/* misc administratium */
 	int32_t  blockNo;
-	int32_t  blockSize100k;
-//smallint?
 
 	/* stuff for coding the MTF values */
 	int32_t  nMTF;
@@ -206,7 +204,7 @@
 
 /*-- compression. --*/
 
-static void
+static int32_t
 BZ2_blockSort(EState*);
 
 static void