[itex2mml] Avoid a unused warning.
[itex2mml] Avoid a unused warning.

gjtorikian/lasem,wavewave/lasem,wavewave/lasem,wavewave/lasem,wavewave/lasem,janmarthedal/mathml2svg,janmarthedal/mathml2svg,gjtorikian/lasem,janmarthedal/mathml2svg,gjtorikian/lasem,janmarthedal/mathml2svg,gjtorikian/lasem