Remove extraneous 'const' in the implementation of is_move_assignable. Howard pleads temporary insanity about this.  Discussed at http://stackoverflow.com/questions/39986185

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@283945 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed