This is patch-2.0.2, the 2nd maintenance patch against LyX 2.0.0. 
You need the source of lyx 2.0.1 to apply this patch.

This patch should be applied like this
  cd lyx-2.0.1
  make distclean
  zcat patch-2.0.0.gz | patch -p1
and then LyX can be build as usual.

If you want to skip the 'distclean' step, make sure to re-run configure.

For all questions related to this patch, mail to lyx-devel@lists.lyx.org.

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