Followup to r14613282:

* subversion/libsvn_wc/props.c
  (validate_eol_prop_against_file): Cater for translation extractor limitations.

Suggested by: mattiase

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1477359 13f79535-47bb-0310-9956-ffa450edef68