Remove 'mutable' from reference variables.

Authored by nalvarez on Apr 2 2011, 7:47 PM.

Description

Remove 'mutable' from reference variables.

It's an error to make a reference member variable mutable,
and gcc4.6 complains about it.

Details

Committed
nalvarezApr 2 2011, 7:52 PM
Parents
R32:c0c1b7db783b: set version to 1.2.1 in preparation of release
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