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-rw-r--r--zlib/gzio.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/zlib/gzio.c b/zlib/gzio.c
index 7e90f4928fc..ed4e77ca7e9 100644
--- a/zlib/gzio.c
+++ b/zlib/gzio.c
@@ -7,6 +7,11 @@
/* @(#) $Id$ */
+/* Need to be included "early" to control other headers */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
#include <stdio.h>
#include "zutil.h"