[LyX/master] Compile with gcc 4.9 again.

[Pavel Sanda]

commit 9e734339e996b262c5a5ac9440b0f7497779389b
Author: Pavel Sanda <sanda at lyx.org>
Date:   Sun Feb 21 20:05:06 2021 +0100

    Compile with gcc 4.9 again.
---
 src/Paragraph.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/Paragraph.cpp b/src/Paragraph.cpp
index 559a61a..cd61bb5 100644
--- a/src/Paragraph.cpp
+++ b/src/Paragraph.cpp
@@ -3591,7 +3591,7 @@ std::tuple<std::vector<docstring>, std::vector<docstring>, std::vector<docstring
         }
     }
 
-	return std::tuple(prependedParagraphs, generatedParagraphs, appendedParagraphs);
+	return std::make_tuple(prependedParagraphs, generatedParagraphs, appendedParagraphs);
 }