Fix the issues reported by phpcs

Problem/Motivation

FILE: /broken_link/broken_link.install
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FOUND 6 ERRORS AFFECTING 6 LINES
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  88 | ERROR | [x] Doc comment short description must end with a full stop
  94 | ERROR | [x] Inline comments must end in full-stops, exclamation marks, question marks, colons, or closing parentheses
  96 | ERROR | [x] Expected 1 space after FOREACH keyword; 0 found
 108 | ERROR | [x] Expected 1 space after FOREACH keyword; 0 found
 121 | ERROR | [x] Inline comments must end in full-stops, exclamation marks, question marks, colons, or closing parentheses
 122 | ERROR | [x] Expected 1 space after FOREACH keyword; 0 found

Steps to reproduce

phpcs --standard=Drupal --extensions=php,module,inc,install,test,profile,theme,css,info,txt,md,yml broken_link

Proposed resolution

Fix the errors.

Remaining tasks

User interface changes

API changes

Data model changes