Fixed signed/unsigned mismatch in deflate_medium in MSVC.

diff --git a/deflate_medium.c b/deflate_medium.c
index 07ce71fe3376c15547547b9e623f0e3371383e93..43fb0bfcfc84754bfe8e7c0dd9c90f0bfae67593 100644 (file)
--- a/deflate_medium.c
+++ b/deflate_medium.c
@@ -261,7 +261,7 @@ ZLIB_INTERNAL block_state deflate_medium(deflate_state *s, int flush) {
         insert_match(s, current_match);
 
         /* now, look ahead one */
-        if (s->lookahead > MIN_LOOKAHEAD && (current_match.strstart + current_match.match_length) < (s->window_size - MIN_LOOKAHEAD)) {
+        if (s->lookahead > MIN_LOOKAHEAD && (uint32_t)(current_match.strstart + current_match.match_length) < (s->window_size - MIN_LOOKAHEAD)) {
             s->strstart = current_match.strstart + current_match.match_length;
             hash_head = functable.insert_string(s, s->strstart, 1);