libnss-mdns: Fix search path for avahi socket file

Since v0.7 avahi uses /run/avahi-daemon/socket.
libnss searches in $(localstatedir)/run/avahi-daemon/.
Set localstatedir to / to fix mdns resolving.

(From OE-Core rev: 4feb586ba9fa0255d8f83bc1bec11f697dc26a33)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-connectivity/libnss-mdns/libnss-mdns_0.10.bb

@@ -17,6 +17,8 @@ SRC_URI[sha256sum] = "1e683c2e7c3921814706d62fbbd3e9cbf493a75fa00255e0e715508d81
 
 S = "${WORKDIR}/nss-mdns-${PV}"
 
+localstatedir = "/"
+
 inherit autotools
 
 EXTRA_OECONF = "--libdir=${base_libdir} --disable-lynx --enable-avahi"