Bob Lail a26390be05 Fix bug with printing pinned dependencies.
Brew prints this error:
```
Error: undefined method `join' for nil:NilClass
```

because, in this code:

```ruby
puts pinned_dependents.map do |f|
  "#{f.full_specified_name} #{f.pkg_version}"
end.join(", ")
```
the block is passed to `puts` and not to `map`. `.join(",")` is called on the output of `puts`.

(I think the regression was introduced in this commit: e12a7b0808353ea81d63774be1edaff81710d7a6)
2019-12-04 12:31:01 -06:00
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