Applied patch for PNG8 alpha mask.

[wxWidgets.git] / src / zlib / trees.c

diff --git a/src/zlib/trees.c b/src/zlib/trees.c
index bb09554938be7000c6efd03c2deebce81e0951df..52c820fa2e97ec014e6cebb45287c28472b9298f 100644 (file)
--- a/src/zlib/trees.c
+++ b/src/zlib/trees.c
@@ -931,7 +931,7 @@ void _tr_flush_block(s, buf, stored_len, eof)
     if (s->level > 0) {
 
          /* Check if the file is ascii or binary */
-        if (s->data_type == Z_UNKNOWN) set_data_type(s);
+        if (s->strm->data_type == Z_UNKNOWN) set_data_type(s);
 
         /* Construct the literal and distance trees */
         build_tree(s, (tree_desc *)(&(s->l_desc)));
@@ -1131,7 +1131,7 @@ local void set_data_type(s)
     while (n < 7)        bin_freq += s->dyn_ltree[n++].Freq;
     while (n < 128)    ascii_freq += s->dyn_ltree[n++].Freq;
     while (n < LITERALS) bin_freq += s->dyn_ltree[n++].Freq;
-    s->data_type = (Byte)(bin_freq > (ascii_freq >> 2) ? Z_BINARY : Z_ASCII);
+    s->strm->data_type = bin_freq > (ascii_freq >> 2) ? Z_BINARY : Z_ASCII;
 }
 
 /* ===========================================================================