[csmith-project/creduce] a2e583: Update copyright years.

[Eric Eide <noreply@github.com>]

  Branch: refs/heads/master
  Home:   https://github.com/csmith-project/creduce
  Commit: a2e5839f6e4f753f83c9a0bb9503f1cdf4b5cbef
      https://github.com/csmith-project/creduce/commit/a2e5839f6e4f753f83c9a0bb9503f1cdf4b5cbef
  Author: Eric Eide <eeide@cs.utah.edu>
  Date:   2019-05-06 (Mon, 06 May 2019)

  Changed paths:
    M clang_delta/ReduceArrayDim.h
    M clang_delta/ReduceArraySize.cpp
    M clang_delta/RemoveBaseClass.cpp
    M clang_delta/RemoveEnumMemberValue.h
    M clang_delta/RemoveNestedFunction.h
    M clang_delta/RemoveUnusedEnumMember.h
    M clang_delta/RenameClass.cpp
    M clang_delta/ReplaceDerivedClass.cpp
    M clang_delta/Transformation.h

  Log Message:
  -----------
  Update copyright years.

Account for some changes in late 2018 that I didn't track before.