[LyX/master] InsetMathXArrow.cpp; code simplification

[Uwe Stöhr]

commit 789a6ebf2ace9cd0b276b9aa297a05970f2af447
Author: Uwe Stöhr <uwesto...@lyx.org>
Date:   Mon Feb 17 02:11:57 2014 +0100

    InsetMathXArrow.cpp; code simplification

diff --git a/src/mathed/InsetMathXArrow.cpp b/src/mathed/InsetMathXArrow.cpp
index 06ef4a5..7439970 100644
--- a/src/mathed/InsetMathXArrow.cpp
+++ b/src/mathed/InsetMathXArrow.cpp
@@ -51,13 +51,12 @@ void InsetMathXArrow::metrics(MetricsInfo & mi, Dimension & 
dim) const
 void InsetMathXArrow::draw(PainterInfo & pi, int x, int y) const
 {
        ScriptChanger dummy(pi.base);
-       Dimension const dim00 = dimension(*pi.base.bv);
-       Dimension const & dim01 = cell(0).dimension(*pi.base.bv);
+       Dimension const dim = dimension(*pi.base.bv);
+       Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
        // center the cells with the decoration
-       cell(0).draw(pi, x + dim00.width()/2 - dim01.width()/2, y - 10);
+       cell(0).draw(pi, x + dim.width()/2 - dim0.width()/2, y - 10);
        Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
-       cell(1).draw(pi, x + dim00.width()/2 - dim1.width()/2, y + 
dim1.height());
-       Dimension const dim = dimension(*pi.base.bv);
+       cell(1).draw(pi, x + dim.width()/2 - dim1.width()/2, y + dim1.height());
        mathed_draw_deco(pi, x + 1, y - 7, dim.wid - 2, 5, name_);
        drawMarkers(pi, x, y);
 }