Fake dependent types in constructors of inductive types are now preserved. The idea is:  1. constructors are always declare by hand by the user ==> binders always     have a meaning.  2. the binders are fundamental for record fields, even if the dependent     product is really non-dependent.
Fake dependent types in constructors of inductive types are now preserved.
The idea is:
 1. constructors are always declare by hand by the user ==> binders always
    have a meaning.
 2. the binders are fundamental for record fields, even if the dependent
    product is really non-dependent.


git-svn-id: 44dc50bdcc0f5d1a212c497508dc9452e0b35e2b@5621 85f007b7-540e-0410-9357-904b9bb8a0f7

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