Adopt commit 206e595 from master: Merge pull request #378 from hrosen4/cpp-compilerfeatures-drqs-81932536
Adopt commit 206e595 from master: Merge pull request #378 from hrosen4/cpp-compilerfeatures-drqs-81932536

commit 206e59534f4acc4ddf0ebe606a98057293ff7678
Merge: 2493734 84fb3db
Author: Henry Verschell <hverschell@bloomberg.net>
Date:   Mon May 2 16:42:36 2016 -0400

    Merge pull request #378 from hrosen4/cpp-compilerfeatures-drqs-81932536

    Make bsls_compilerfeatures.h C-friendly

commit 84fb3dbf6e5a07d015fbef9a347383dad76d9e54
Author: Hyman Rosen <hrosen4@bloomberg.net>
Date:   Mon May 2 12:41:43 2016 -0400

    Make bsls_compilerfeatures.h C-friendly

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