[LyX/master] Pass three string parameters by address

[Jean-Marc Lasgouttes]

commit eeb84bce17f74cba1c6482411fa14434a9703b7f
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Wed Sep 11 17:33:52 2024 +0200

    Pass three string parameters by address
    
    Spoted by Coverity scan.
---
 src/lyxfind.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/lyxfind.cpp b/src/lyxfind.cpp
index f72169ae66..b4cbcd6bb7 100644
--- a/src/lyxfind.cpp
+++ b/src/lyxfind.cpp
@@ -1136,7 +1136,8 @@ public:
 private:
        /// Auxiliary find method (does not account for opt.matchword)
        MatchResult findAux(DocIterator const & cur, int len, matchType 
at_begin) const;
-       void CreateRegexp(FindAndReplaceOptions const & opt, string regexp_str, 
string regexp2_str, string par_as_string = "");
+       void CreateRegexp(FindAndReplaceOptions const & opt, string const & 
regexp_str,
+                         string const & regexp2_str, string const & 
par_as_string = string());
 
        /** Normalize a stringified or latexified LyX paragraph.
         **
@@ -3619,7 +3620,8 @@ static void identifyClosing(string & t, bool ignoreformat)
 static int num_replaced = 0;
 static bool previous_single_replace = true;
 
-void MatchStringAdv::CreateRegexp(FindAndReplaceOptions const & opt, string 
regexp_str, string regexp2_str, string par_as_string)
+void MatchStringAdv::CreateRegexp(FindAndReplaceOptions const & opt, string 
const & regexp_str,
+                                  string const & regexp2_str, string const & 
par_as_string)
 {
 #if QTSEARCH
        if (regexp_str.empty() || regexp2_str.empty()) {
-- 
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