Fix warning about redundant 'const'
Fix warning about redundant 'const'

When fundamental types are returned by value, the resulting rvalue
is immutable, effectively 'const', whether the keyword is used or
not.  Compilers like to warn about this.

bloomberg/bde,bloomberg/bde,che2/bde,che2/bde,bloomberg/bde,bloomberg/bde,che2/bde,bloomberg/bde,che2/bde