Merge pull request #8525 from SeekingMeaning/cmd/installed_prefix

pull, pr-pull: use `opt_or_installed_prefix_keg`

Library/Homebrew/dev-cmd/pr-pull.rb

@@ -73,7 +73,7 @@ module Homebrew
     else
       if gnupg.any_version_installed?
         path = PATH.new(ENV.fetch("PATH"))
-        path.prepend(gnupg.installed_prefix/"bin")
+        path.prepend(gnupg.opt_or_installed_prefix_keg/"bin")
         ENV["PATH"] = path
       end
     end

Library/Homebrew/dev-cmd/pull.rb

@@ -60,7 +60,7 @@ module Homebrew
       else
         if gnupg.any_version_installed?
           path = PATH.new(ENV.fetch("PATH"))
-          path.prepend(gnupg.installed_prefix/"bin")
+          path.prepend(gnupg.opt_or_installed_prefix_keg/"bin")
           ENV["PATH"] = path
         end
       end