speed up _a_lot_ switchEncoding() by avoiding an object copy

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@26896 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/output_latex.cpp b/src/output_latex.cpp
index 4dcab3d7cb88c88ac58854726be0fec2dfc7a88a..cc3475759dd47c4b78d1b6915860c465cb5acd80 100644 (file)
--- a/src/output_latex.cpp
+++ b/src/output_latex.cpp
@@ -875,7 +875,7 @@ pair<bool, int> switchEncoding(odocstream & os, BufferParams const & bparams,
                   OutputParams const & runparams, Encoding const & newEnc,
                   bool force)
 {
-       Encoding const oldEnc = *runparams.encoding;
+       Encoding const & oldEnc = *runparams.encoding;
        bool moving_arg = runparams.moving_arg;
        if (!force && ((bparams.inputenc != "auto" && bparams.inputenc != "default")
                || moving_arg))