Obtaining tox repo key

src/freedombone-app-tox

@@ -688,7 +688,9 @@ function enable_tox_repo {
     echo 'deb http://download.opensuse.org/repositories/home:/antonbatenev:/tox/Debian_8.0/ /' > $rootdir/etc/apt/sources.list.d/tox.list
 
 
-    chroot "$rootdir" /usr/bin/wget -q http://download.opensuse.org/repositories/home:antonbatenev:tox/Debian_8.0/Release.key -O- | apt-key add -
+    chroot "$rootdir" /usr/bin/wget -q http://download.opensuse.org/repositories/home:antonbatenev:tox/Debian_8.0/Release.key -O- > /root/tox.key
+    chroot "$rootdir" apt-key add /root/tox.key
+    chroot "$rootdir" rm /root/tox.key
     chroot "$rootdir" apt-get update
     echo "Tox Repository Installed."
 }