[LyX/master] Avoid temporary variables (spotted by Coverity Scan)

[Jean-Marc Lasgouttes]

commit 4e2b767f618b1c3ec90edd3141428067066212a2
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Fri Feb 14 01:18:13 2025 +0100

    Avoid temporary variables (spotted by Coverity Scan)
---
 src/lyxfind.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/lyxfind.cpp b/src/lyxfind.cpp
index b4cbcd6bb7..2966fc5dfc 100644
--- a/src/lyxfind.cpp
+++ b/src/lyxfind.cpp
@@ -3684,7 +3684,7 @@ void MatchStringAdv::CreateRegexp(FindAndReplaceOptions 
const & opt, string cons
 
 static void modifyRegexForMatchWord(string &t)
 {
-       string s("");
+       string s;
        regex wordre("(\\\\)*((\\.|\\\\b))");
        size_t lastpos = 0;
        smatch sub;
@@ -3701,8 +3701,7 @@ static void modifyRegexForMatchWord(string &t)
                lastpos = sub.position(2) + sub.length(2);
        }
        if (lastpos == 0) {
-               s = "\\b" + t + "\\b";
-               t = s;
+               t = "\\b" + t + "\\b";
                return;
        }
        else if (lastpos < t.length())
-- 
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