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-rw-r--r--wsutil/floorl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/wsutil/floorl.c b/wsutil/floorl.c
index 7ed1135266..38c9b3f904 100644
--- a/wsutil/floorl.c
+++ b/wsutil/floorl.c
@@ -23,6 +23,8 @@
#include "config.h"
+#include <math.h>
+
#include "wsutil/floorl.h"
#ifndef HAVE_FLOORL