Fix syntax errors in #ifdef.
Merge pull request #1200 from chertykov/Marlin_v1

Fix syntax errors in #ifdef
Merge commit '5e7bd2dc873202048a77152e7fb0e54f3bb0349f' into Marlin_phoenix

* commit '5e7bd2dc873202048a77152e7fb0e54f3bb0349f':
  Fix syntax errors in #ifdef.