Fix compilation warnings in ZLib (MSVC)

Yes, we are changing the Zlib code. This is dangerous and uncool.
Fortunately, these are just some implicit casts.

1 files changed, 2 insertions, 2 deletions

diff --git a/deps/zlib/trees.c b/deps/zlib/trees.c
index 56e9bb1c1..3e9a138c7 100644
--- a/deps/zlib/trees.c
+++ b/deps/zlib/trees.c
@@ -605,7 +605,7 @@ local void gen_codes (tree, max_code, bl_count)
         int len = tree[n].Len;
         if (len == 0) continue;
         /* Now reverse the bits */
-        tree[n].Code = bi_reverse(next_code[len]++, len);
+        tree[n].Code = (ush)bi_reverse(next_code[len]++, len);
 
         Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ",
              n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len]-1));
@@ -729,7 +729,7 @@ local void scan_tree (s, tree, max_code)
         if (++count < max_count && curlen == nextlen) {
             continue;
         } else if (count < min_count) {
-            s->bl_tree[curlen].Freq += count;
+            s->bl_tree[curlen].Freq += (ush)count;
         } else if (curlen != 0) {
             if (curlen != prevlen) s->bl_tree[curlen].Freq++;
             s->bl_tree[REP_3_6].Freq++;