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Bernd Flemisch authored
This fixes a compilation error encountered with YaspGrid and the Dune master. Since the return type of mappers has been generalized, an implicit conversion to int does not happen anymore. Reviewed by gruenich. git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@13479 2fb0f335-1f38-0410-981e-8018bf24f1b0
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