[LyX/master] Use range

[Richard Kimberly Heck]

commit a9e663546b61becd1b3ae7ae660d551069659965
Author: Richard Kimberly Heck <rikiheck at lyx.org>
Date:   Fri Feb 28 01:13:56 2020 -0500

    Use range
---
 src/BufferEncodings.cpp |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/BufferEncodings.cpp b/src/BufferEncodings.cpp
index 0604dfb..d4f08fc 100644
--- a/src/BufferEncodings.cpp
+++ b/src/BufferEncodings.cpp
@@ -45,11 +45,8 @@ void BufferEncodings::initUnicodeMath(Buffer const & buffer, bool for_master)
 		return;
 
 	// Check children
-	ListOfBuffers blist = buffer.getDescendants();
-	ListOfBuffers::const_iterator bit = blist.begin();
-	ListOfBuffers::const_iterator const bend = blist.end();
-	for (; bit != bend; ++bit)
-		initUnicodeMath(**bit, false);
+	for (Buffer * buf : buffer.getDescendants())
+		initUnicodeMath(*buf, false);
 }