science/hypre: unbreak with libc++ 8

In file included from FEI_HYPRE_Impl.cxx:22:
In file included from /usr/include/c++/v1/math.h:309:
In file included from /usr/include/c++/v1/type_traits:406:
In file included from /usr/include/c++/v1/cstddef:38:
./../../utilities/version:1:2: error: invalid preprocessing directive
#!/bin/sh

^

./../../utilities/version:2:2: error: invalid preprocessing directive
#BHEADER**************

^

./../../utilities/version:3:3: error: invalid preprocessing directive

1. Copyright (c) 2008, Lawrence Livermore National Security, LLC. ^

[...]

PR: 236192
Approved by: portmgr blanket