docbook-mathml: fix checksum of the LICENSE file
docbook-mathml: fix checksum of the LICENSE file

Makes one wonder how this package ever built correctly...

Signed-off-by: Johannes Schindelin <53fb8db7833fca1e1746dd8592f61048d350f64c@gmx.de>

mati865/MSYS2-packages,JPeterMugaas/MSYS2-packages,mati865/MSYS2-packages,mati865/MSYS2-packages,JPeterMugaas/MSYS2-packages,JPeterMugaas/MSYS2-packages,waterlan/MSYS2-packages,waterlan/MSYS2-packages,JPeterMugaas/MSYS2-packages,waterlan/MSYS2-packages,waterlan/MSYS2-packages,mati865/MSYS2-packages