main/bind: security upgrade to 9.7.6_p3 (CVE-2012-4244)

fixes #1416

main/bind/APKBUILD

 # Contributor: Carlo Landmeter <clandmeter@gmail.com>
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=bind
-pkgver=9.7.6_p2
+pkgver=9.7.6_p3
 _ver=${pkgver%_p*}
 _p=${pkgver#*_p}
 [ "$_p" != "$pkgver" ] && _ver="${_ver}-P$_p"
@@ -93,7 +93,7 @@ tools() {
 	done
 }
 
-md5sums="8570762bba843aa409f243032ba8faf5  bind-9.7.6-P2.tar.gz
+md5sums="6ce747c835273cb27de4d155e4a39143  bind-9.7.6-P3.tar.gz
 f270a5b0a28ab6e818840c5c368ddbcc  bind.so_bsdcompat.patch
 92914193cc603d8d81ef00534ce9c1c9  bind.initd
 8b05a287976d66d51c18b73ee7523671  bind.confd