fix libappindicator dependency in OpenSUSE

Fix by @marceloatie, originally in #5226,
squashed and merged by @oconnor663.

packaging/linux/rpm/package_binaries.sh

@@ -26,12 +26,16 @@ mode="$(cat "$build_root/MODE")"
 
 name="$("$here/../../binary_name.sh" "$mode")"
 
-dependencies="Requires: at"
+if [ "$rpm_arch" = "x86_64" ] ; then
+  dependencies="Requires: at, fuse, libappindicator1, 'libXss.so.1()(64bit)'"
+else
+  dependencies="Requires: at, fuse, libappindicator1, 'libXss.so.1'"
+fi
+
 if [ "$mode" = "production" ] ; then
   repo_url="http://dist.keybase.io/linux/rpm/repo"
 elif [ "$mode" = "prerelease" ] ; then
   repo_url="http://prerelease.keybase.io/rpm"
-  dependencies="Requires: at, fuse, libXScrnSaver"
 elif [ "$mode" = "staging" ] ; then
   # Note: This doesn't exist yet. But we need to be distinct from the
   # production URL, because we're moving to a model where we build a clean