libnl-tiny: fix compile error with eglibc (#8782)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25281 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/libnl-tiny/src/unl.c b/package/libnl-tiny/src/unl.c
index a60ba08..4eb7dc0 100644 (file)
--- a/package/libnl-tiny/src/unl.c
+++ b/package/libnl-tiny/src/unl.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
 #include <netlink/netlink.h>
 #include <netlink/genl/genl.h>
 #include <netlink/genl/ctrl.h>