Turn off more warnings triggered by flex-generated code.
Turn off more warnings triggered by flex-generated code.

atgeirr/equelle,atgeirr/equelle,sintefmath/equelle,atgeirr/equelle,atgeirr/equelle,babrodtk/equelle,babrodtk/equelle,babrodtk/equelle,sintefmath/equelle,sintefmath/equelle,atgeirr/equelle,babrodtk/equelle,atgeirr/equelle,sintefmath/equelle,babrodtk/equelle,atgeirr/equelle,babrodtk/equelle,sintefmath/equelle,sintefmath/equelle,sintefmath/equelle,atgeirr/equelle,sintefmath/equelle,babrodtk/equelle