[LyX/master] Fix possibly uninitialized use of variables

[Stephan Witt]

commit bf581924c9d2b86a3ea1e93cbef0906d37fc9fd2
Author: Stephan Witt <sw...@lyx.org>
Date:   Wed Sep 3 00:07:26 2014 +0200

    Fix possibly uninitialized use of variables

diff --git a/src/mathed/InsetMathXArrow.cpp b/src/mathed/InsetMathXArrow.cpp
index b91c4ce..9e3c91d 100644
--- a/src/mathed/InsetMathXArrow.cpp
+++ b/src/mathed/InsetMathXArrow.cpp
@@ -10,6 +10,8 @@
 
 #include <config.h>
 
+#include "support/lassert.h"
+
 #include "InsetMathXArrow.h"
 #include "MathData.h"
 #include "MathStream.h"
@@ -112,6 +114,10 @@ void InsetMathXArrow::mathmlize(MathStream & ms) const
                arrow = "&rightleftharpoons;";
        else if (name_ == "xmapsto")
                arrow = "&mapsto;";
+       else {
+               lyxerr << "mathmlize conversion for '" << name_ << "' not 
implemented" << endl;
+               LASSERT(false, arrow = "&rarr;");
+       }
        ms << "<munderover accent='false' accentunder='false'>"
           << arrow << cell(1) << cell(0)
           << "</munderover>";
@@ -152,6 +158,10 @@ void InsetMathXArrow::htmlize(HtmlStream & os) const
                arrow = "&rightleftharpoons;";
        else if (name_ == "xmapsto")
                arrow = "&mapsto;";
+       else {
+               lyxerr << "htmlize conversion for '" << name_ << "' not 
implemented" << endl;
+               LASSERT(false, arrow = "&rarr;");
+       }
        os << MTag("span", "class='xarrow'")
                 << MTag("span", "class='xatop'") << cell(0) << ETag("span")
                 << MTag("span", "class='xabottom'") << arrow << ETag("span")