1 files changed, 1 insertions, 0 deletions
diff --git a/gzwrite.c b/gzwrite.c
index f07dc1a..0476d9a 100644
--- a/gzwrite.c
+++ b/gzwrite.c
@@ -3,6 +3,7 @@
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
+#include "zbuild.h"
 #include <stdarg.h>
 #include "gzguts.h"