[LyX/master] Re-enable translation of pdfpages help text (works around #9045)

[Juergen Spitzmueller]

commit 200f1ca37bf79ffc82cd402a9fd23237e621917c
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Thu Mar 27 14:25:30 2014 +0100

    Re-enable translation of pdfpages help text (works around #9045)
    
    Note that this is not a string change in l7n sense (see discussion in #9045)

diff --git a/lib/external_templates b/lib/external_templates
index 838887a..b01daea 100644
--- a/lib/external_templates
+++ b/lib/external_templates
@@ -309,7 +309,7 @@ Template PDFPages
                * pages=- (to include all pages)
                * pages=last-1 (to include all pages in reverse order)
                With the option 'noautoscale' the PDF pages are
-               inserted in their original size. 
+               inserted in their original size.
                Read the documentation of the pdfpages package
                for further options and details.
        HelpTextEnd