Pass variable by reference

Spotted by cppcheck

diff --git a/src/mathed/InsetMathDecoration.cpp b/src/mathed/InsetMathDecoration.cpp
index 1262370953fe4a89c9808cc94dc2c7a3a27a59b0..92696a82ebbb2f9146eb3eda70fa24fbfe9900ed 100644 (file)
--- a/src/mathed/InsetMathDecoration.cpp
+++ b/src/mathed/InsetMathDecoration.cpp
@@ -168,7 +168,7 @@ void InsetMathDecoration::infoize(odocstream & os) const
 namespace {
        struct Attributes {
                Attributes() : over(false) {}
-               Attributes(bool o, string t)
+               Attributes(bool o, string const & t)
                        : over(o), tag(t) {}
                bool over;
                string tag;