[LyX/2.3.x] ar.po: correct some terms from layouttranslations

[Uwe Stöhr]

commit f30fa1a48d6708f01e7fb9c42a42626f167e2fb8
Author: Uwe Stöhr <uwesto...@lyx.org>
Date:   Tue Feb 20 20:30:28 2018 +0100

    ar.po: correct some terms from layouttranslations
    
    Hatim sent me today both, the ar.po and the layouttranslations. I noticed 
now that he did not update/translate the terms from layouttranslations in ar.po

 po/ar.po | 1563 +++++++++++++++++++++++++++++---------------------------------
 1 files changed, 722 insertions(+), 841 deletions(-)