Fix code style for commands.

cmd/aspell-dictionaries.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cli/parser"
 require "open-uri"
 require "resource"

cmd/postgresql-upgrade-database.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cli/parser"
 require "open-uri"
 require "resource"
@@ -124,12 +126,12 @@ module Homebrew
       ohai "Migrating and upgrading data..."
       (var/"log").cd do
         safe_system "#{bin}/pg_upgrade",
-          "-r",
-          "-b", old_bin,
-          "-B", bin,
-          "-d", old_datadir,
-          "-D", datadir,
-          "-j", Hardware::CPU.cores.to_s
+                    "-r",
+                    "-b", old_bin,
+                    "-B", bin,
+                    "-d", old_datadir,
+                    "-D", datadir,
+                    "-j", Hardware::CPU.cores.to_s
       end
       upgraded = true