UI: add missing translations to incomplete locales

This is the wrong way to fix the problem. The correct way will involve
moving away from the whacky tr() macro and using translations functions
properly. But migrating to that will require some heavy scripting work.
So for now, use a hammer.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

sync-translations.sh

@@ -3,6 +3,23 @@ set -e
 curl -Lo - https://crowdin.com/backend/download/project/wireguard.zip | bsdtar -C Sources/WireGuardApp -x -f - --strip-components 3 wireguard-apple
 find Sources/WireGuardApp/*.lproj -type f -empty -delete
 find Sources/WireGuardApp/*.lproj -type d -empty -delete
+declare -A ALL_BASE
+while read -r key eq rest; do
+	[[ $key == \"* && $key == *\" && $eq == = ]] || continue
+	ALL_BASE["$key"]="$rest"
+done < Sources/WireGuardApp/Base.lproj/Localizable.strings
+for f in Sources/WireGuardApp/*.lproj/Localizable.strings; do
+	unset FOUND
+	declare -A FOUND
+	while read -r key eq _; do
+		[[ $key == \"* && $key == *\" && $eq == = ]] || continue
+		FOUND["$key"]=1
+	done < "$f"
+	for key in "${!ALL_BASE[@]}"; do
+		[[ ${FOUND["$key"]} -eq 1 ]] && continue
+		echo "$key = ${ALL_BASE["$key"]}"
+	done >> "$f"
+done < Sources/WireGuardApp/Base.lproj/Localizable.strings
 git add Sources/WireGuardApp/*.lproj
 
 declare -A LOCALE_MAP