Use unsigned values for enum

[lyx.git] / src / BufferParams.h

diff --git a/src/BufferParams.h b/src/BufferParams.h
index 778da6b2bd6fec8513d41a9f82382cd59e9d30b4..3a5cd29e3c813c0ed1959ad337ccabc9c3624dc0 100644 (file)
--- a/src/BufferParams.h
+++ b/src/BufferParams.h
@@ -467,7 +467,7 @@ public:
        };
        ///
        std::string paperSizeName(PapersizePurpose purpose,
-                                 std::string const psize = std::string()) const;
+                                 std::string const & psize = std::string()) const;
        /// set up if and how babel is called
        std::string babelCall(std::string const & lang_opts, bool const langoptions) const;
        /// return supported drivers for specific packages