Add missing limits

lib/libspl/include/limits.h

@@ -0,0 +1,40 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include_next <limits.h>
+
+#ifndef _LIBSPL_LIMITS_H
+#define _LIBSPL_LIMITS_H
+
+#define DBL_DIG		15
+#define DBL_MAX		1.7976931348623157081452E+308
+#define DBL_MIN		2.2250738585072013830903E-308
+
+#define FLT_DIG		6
+#define FLT_MAX		3.4028234663852885981170E+38F
+#define FLT_MIN		1.1754943508222875079688E-38F
+
+#endif /* _LIBSPL_LIMITS_H */