main/wireshark: security upgrade to 1.6.8 (CVE-2012-2392,CVE-2012-2393,CVE-2012-2394)

fixes #1189

main/wireshark/APKBUILD

 # Contributor: Jeremy Thomerson <jeremy@thomersonfamily.com>
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=wireshark
-pkgver=1.6.6
-pkgrel=1
+pkgver=1.6.8
+pkgrel=0
 pkgdesc="network protocol analyzer - GTK version"
 url="http://www.wireshark.org"
 arch="all"
@@ -76,6 +76,6 @@ tshark() {
 	mv "$pkgdir"/usr/bin/tshark "$subpkgdir"/usr/bin/tshark
 }
 
-md5sums="61145ccd7684b3cfb159fc902fedfecf  wireshark-1.6.6.tar.bz2
+md5sums="dcdc5f4904af5804b622c955a30974e2  wireshark-1.6.8.tar.bz2
 504ede44c02b2a52f6cbd3bffdf93b8d  wireshark.desktop
 e771800a8c977fe223583a453bc27397  wireshark.png"