bzip2: move state pointer to the offset 0 (smaller code)

ifdef out DecompressEnd if FEATURE_CLEAN_UP is not seleted

fallbackSort                                        1655    1672     +17
mainSort                                            2447    2458     +11
bzip2_main                                           109     119     +10
.rodata                                           123466  123469      +3
generateMTFValues                                    433     435      +2
handle_compress                                      355     356      +1
BZ2_bzCompress                                        79      78      -1
prepare_new_block                                     55      48      -7
compressStream                                       547     503     -44
sendMTFValues                                       2225    2140     -85
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 6/4 up/down: 44/-137)           Total: -93 bytes
   text    data     bss     dec     hex filename
 676421    2538   12104  691063   a8b77 busybox_old
 676328    2538   12104  690970   a8b1a busybox_unstripped

1 files changed, 3 insertions, 1 deletions

diff --git a/archival/bz/bzlib.h b/archival/bz/bzlib.h
index 602aab926..1bb811c4a 100644
--- a/archival/bz/bzlib.h
+++ b/archival/bz/bzlib.h
@@ -43,20 +43,22 @@ in the file LICENSE.
 #define BZ_CONFIG_ERROR      (-9)
 
 typedef struct bz_stream {
+        void *state;
         char *next_in;
         char *next_out;
         unsigned avail_in;
         unsigned avail_out;
         /*unsigned long long total_in;*/
         unsigned long long total_out;
-        void *state;
 } bz_stream;
 
 /*-- Core (low-level) library functions --*/
 
 static void BZ2_bzCompressInit(bz_stream *strm, int blockSize100k);
 static int BZ2_bzCompress(bz_stream *strm, int action);
+#if ENABLE_FEATURE_CLEAN_UP
 static void BZ2_bzCompressEnd(bz_stream *strm);
+#endif
 
 /*-------------------------------------------------------------*/
 /*--- end                                           bzlib.h ---*/