[PATCH 3/3] attr: fix compile warning in headers

[Peter Wu]

strlen() returns a size_t type, but nla_put accepts an int only. This
breaks a -Werror build of applications using libnl, so avoid this
warning by explicitly casting the length to an int.

Signed-off-by: Peter Wu <peter at lekensteyn.nl>
---
 include/netlink/attr.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/netlink/attr.h b/include/netlink/attr.h
index 0ed3da3..82e4c38 100644
--- a/include/netlink/attr.h
+++ b/include/netlink/attr.h
@@ -205,7 +205,7 @@ extern int		nla_is_nested(struct nlattr *);
  * @arg value		NUL terminated character string.
  */
 #define NLA_PUT_STRING(msg, attrtype, value) \
-	NLA_PUT(msg, attrtype, strlen(value) + 1, value)
+	NLA_PUT(msg, attrtype, (int) strlen(value) + 1, value)
 
 /**
  * Add flag attribute to netlink message.
-- 
2.0.0