[PATCH] [Patch] Rename PSTL macro's consistent with libstdc++ standards.

[Jonathan Wakely]

On 22/05/19 14:02 -0700, Thomas Rodgers wrote:
>	* include/bits/c++config: Rename all macros of the form __PSTL* to _PSTL*.

Please keep the ChangeLog lines to 80 columns, so break before
"_PSTL*" here.

>	* include/std/algorithm: Likewise.
>	* include/std/execution: Likewise.
>	* include/std/numeric: Likewise.
>	* include/std/memory: Likewise.
>	* include/pstl/glue_memory_impl.h: Likewise.
>	* include/pstl/numeric_impl.h: Likewise.
>	* include/pstl/glue_memory_defs.h: Likewise.
>	* include/pstl/execution_defs.h: Likewise.
>	* include/pstl/utils.h: Likewise.
>	* include/pstl/algorithm_fwd.h: Likewise.
>	* include/pstl/unseq_backend_simd.h: Likewise.
>	* include/pstl/glue_execution_defs.h: Likewise.
>	* include/pstl/algorithm_impl.h: Likewise.
>	* include/pstl/parallel_impl.h: Likewise.
>	* include/pstl/memory_impl.h: Likewise.
>	* include/pstl/glue_numeric_defs.h: Likewise.
>	* include/pstl/parallel_backend_utils.h: Likewise.
>	* include/pstl/glue_algorithm_defs.h: Likewise.
>	* include/pstl/parallel_backend.h: Likewise.
>	* include/pstl/glue_numeric_impl.h: Likewise.
>	* include/pstl/parallel_backend_tbb.h: Likewise.
>	* include/pstl/numeric_fwd.h: Likewise.
>	* include/pstl/glue_algorithm_impl.h: Likewise.
>	* include/pstl/execution_impl.h: Likewise.
>	* include/pstl/pstl_config.h: Likewise.
>	* testsuite/util/pstl/pstl_test_config.h: Likewise.
>	* testsuite/util/pstl/test_utils.h: Likewise.
>	* testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: Likewise.

And break before "Likewise" here, and in the other lines that are
longer than 80 columns.

The actual patch is fine, so OK for trunk with that change. Thanks.