Use Pathname.glob when we want pathname objects

Library/Homebrew/extend/pathname.rb

@@ -359,8 +359,7 @@ class Pathname
   # Writes a wrapper env script and moves all files to the dst
   def env_script_all_files dst, env
     dst.mkpath
-    Dir["#{self}/*"].each do |file|
-      file = Pathname.new(file)
+    Pathname.glob("#{self}/*") do |file|
       dst.install_p file
       new_file = dst+file.basename
       file.write_env_script(new_file, env)

Library/Homebrew/formula_installer.rb

@@ -649,8 +649,7 @@ class FormulaInstaller
       downloader.stage
     end
 
-    Dir["#{f.bottle_prefix}/{etc,var}/**/*"].each do |file|
-      path = Pathname.new(file)
+    Pathname.glob("#{f.bottle_prefix}/{etc,var}/**/*") do |path|
       path.extend(InstallRenamed)
       path.cp_path_sub(f.bottle_prefix, HOMEBREW_PREFIX)
     end