[LyX/master] Fix MSVC warning

[Jean-Marc Lasgouttes]

commit 6936c1b4fa7f4a9e0ec98046431217b6916fed58
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Thu Dec 14 13:39:37 2017 +0100

    Fix MSVC warning
    
    Take this occasion to simplify the code.
    
    Fixes bug #10402.
---
 src/insets/InsetInfo.cpp |   12 ++++--------
 1 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/src/insets/InsetInfo.cpp b/src/insets/InsetInfo.cpp
index 700049d..0740fb4 100644
--- a/src/insets/InsetInfo.cpp
+++ b/src/insets/InsetInfo.cpp
@@ -408,12 +408,9 @@ void InsetInfo::updateBuffer(ParIterator const & it, 
UpdateType utype) {
                Font const f(inherit_font, buffer().params().language);
                //Font fu = f;
                //fu.fontInfo().setUnderbar(FONT_ON);
-               docstring_list::const_iterator beg = names.begin();
-               docstring_list::const_iterator end = names.end();
-               for (docstring_list::const_iterator it = beg ;
-                    it != end ; ++it) {
+               for (docstring const & name : names) {
                        // do not insert > for the top level menu item
-                       if (it != beg)
+                       if (&name != &names.front())
                                par.insertInset(par.size(), new 
InsetSpecialChar(InsetSpecialChar::MENU_SEPARATOR),
                                                f, Change(Change::UNCHANGED));
                        //FIXME: add proper underlines here. This
@@ -421,9 +418,8 @@ void InsetInfo::updateBuffer(ParIterator const & it, 
UpdateType utype) {
                        // return a vector of menus. If we do not do
                        // that, we might as well use below
                        // Paragraph::insert on each string (JMarc)
-                       for (size_type i = 0; i != it->length(); ++i)
-                               par.insertChar(par.size(), (*it)[i],
-                                              f, Change(Change::UNCHANGED));
+                       for (char_type c : name)
+                               par.insertChar(par.size(), c, f, 
Change(Change::UNCHANGED));
                }
                break;
        }