Don't syntax check l10n validator config on PHP5.2

See #23

.travis.yml

@@ -12,7 +12,7 @@ script:
   - xmllint --noout $(find . -type f \( -name '*.xml' -o -name '*.xml.dist' \))
   - find . -name '*.sh' -exec bash -n {} \;
   - find ./travis -name '*.yml' ! -name '.coveralls.yml' -exec travis-lint {} \;
-  - phpenv global 5.2 && find . ! -path './phpcs/*' -name '*.php' -exec php -lf {} \;
+  - phpenv global 5.2 && find . ! -path './phpcs/*' ! -path './l10n-validator/*' -name '*.php' -exec php -lf {} \;
   - phpenv global 5.3 && find . -name '*.php' -exec php -lf {} \;
   - phpenv global 5.4 && find . -name '*.php' -exec php -lf {} \;
   - phpenv global 5.5 && find . -name '*.php' -exec php -lf {} \;