Language String - Missing Parentheses

- Missing parentheses as reported by DeathSign.

Signed-Off: Matthew "Labradoodle-360" Kerle <lab360@simplemachines.org>
Power of copy and paste...- thanks  margarett for reporting

Signed-off-by: emanuele <emanuele45@gmail.com>

Conflicts:
	themes/default/languages/Post.english.php

Signed-off-by: Norv <a.w.norv@gmail.com>
Cherry-picks.
https://github.com/emanuele45/playpen/commit/69ad5fd5042179649e2dcedae51a76cb541f9753

Signed-off-by: Norv <a.w.norv@gmail.com>
Merge pull request #264 from norv/picks

Picks