[Issue 24623] Rename version CppRuntime_Clang/Gcc to CppRuntime_libcxx/libstdcxx.

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24623

johanengelen at weka.io changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Rename version              |Rename version
                   |CppRuntime_Clang/Gcc to     |CppRuntime_Clang/Gcc to
                   |CppRuntime_libcpp/libstdcpp |CppRuntime_libcxx/libstdcxx
                   |.                           |.

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