Some toolchains (e.g: ARM with VFP) require us to specify the ABI to use,
update the dns-sd linking command-line for this.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/packages@39811 3c298f89-4303-0410-b956-a3cf2f4a3e73