Improvements to the shortcuts preference dialog (#9174)

[lyx.git] / src / support / convert.h

diff --git a/src/support/convert.h b/src/support/convert.h
index c1cd31551a8e46b48ab89474ef4d2109c1f7c21d..e72fe61b5667363e846ee4bc0f5ee02e7b475949 100644 (file)
--- a/src/support/convert.h
+++ b/src/support/convert.h
@@ -37,11 +37,11 @@ template<> std::string convert<std::string>(long l);
 template<> docstring convert<docstring>(long l);
 template<> std::string convert<std::string>(float f);
 template<> std::string convert<std::string>(double d);
-template<> int convert<int>(std::string const s);
-template<> int convert<int>(docstring const s);
-template<> unsigned int convert<unsigned int>(std::string const s);
-template<> unsigned long convert<unsigned long>(std::string const s);
-template<> double convert<double>(std::string const s);
+template<> int convert<int>(std::string const & s);
+template<> int convert<int>(docstring const & s);
+template<> unsigned int convert<unsigned int>(std::string const & s);
+template<> unsigned long convert<unsigned long>(std::string const & s);
+template<> double convert<double>(std::string const & s);
 template<> int convert<int>(char const * cptr);
 template<> double convert<double>(char const * cptr);