[LyX/master] Simplify.

[Richard Kimberly Heck]

commit b0def618f844927468fe724e74315ded43ef0122
Author: Richard Kimberly Heck <rikiheck at lyx.org>
Date:   Wed May 13 14:49:01 2020 -0400

    Simplify.
---
 src/insets/InsetText.cpp |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/insets/InsetText.cpp b/src/insets/InsetText.cpp
index 3d7de48..d4f81f2 100644
--- a/src/insets/InsetText.cpp
+++ b/src/insets/InsetText.cpp
@@ -749,8 +749,9 @@ void InsetText::appendParagraphs(ParagraphList & plist)
 	mergeParagraph(buffer().params(), pl,
 		       distance(pl.begin(), ins) - 1);
 
-	for_each(pit, plist.end(),
-		 bind(&ParagraphList::push_back, ref(pl), _1));
+	ParagraphList::iterator const pend = plist.end();
+	for (; pit != pend; ++pit)
+		pl.push_back(*pit);
 }