1 files changed, 1 insertions, 0 deletions
diff --git a/gzlib.c b/gzlib.c
index 7b0e136..946fb2b 100644
--- a/gzlib.c
+++ b/gzlib.c
@@ -3,6 +3,7 @@
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
+#include "zbuild.h"
 #include "gzguts.h"
 
 #if defined(WIN32) && !defined(__BORLANDC__) && !defined(__MINGW32__)