Fix for https://github.com/klausi/coder/pull/25

Author: andypost

Dockerfile

@@ -32,6 +32,7 @@ RUN apk add --no-cache \
   && ln -s /root/.composer/vendor/squizlabs/php_codesniffer/scripts/phpcbf /usr/bin/phpcbf \
   && ln -s /root/.composer/vendor/drupal/coder/coder_sniffer/Drupal /root/.composer/vendor/squizlabs/php_codesniffer/CodeSniffer/Standards/Drupal \
   && ln -s /root/.composer/vendor/drupal/coder/coder_sniffer/DrupalPractice /root/.composer/vendor/squizlabs/php_codesniffer/CodeSniffer/Standards/DrupalPractice \
+  && cd /root/.composer/vendor/drupal/coder && curl https://www.drupal.org/files/issues/2857856-8.patch | patch -p1 && cd \
   && git clone --branch master https://git.drupal.org/sandbox/coltrane/1921926.git /root/drupalsecure_code_sniffs \
   && cd /root/drupalsecure_code_sniffs && curl https://www.drupal.org/files/issues/parenthesis_closer_notice-2320623-2.patch | git apply && cd \
   && apk del --no-cache git \