Adopt commit f2447dc64 from master: Merge pull request #1423 from hrosen4/bdlat_typename-deref-null_drqs-109259207
Adopt commit f2447dc64 from master: Merge pull request #1423 from hrosen4/bdlat_typename-deref-null_drqs-109259207

commit f2447dc64fd8500cf41c13871951c6e645794474
Merge: afbf4b7a7 0bfcad7f2
Author: Jeffrey Mendelsohn <JMENDELSOHN4@bloomberg.net>
Date:   Thu Nov 2 11:21:20 2017 -0400

    Merge pull request #1423 from hrosen4/bdlat_typename-deref-null_drqs-109259207

    Silence warnings for dereferencing null.

commit 0bfcad7f2f1acda5adb65b315d94aa2a00b3f9e9
Author: Hyman Rosen <hrosen4@bloomberg.net>
Date:   Mon Oct 30 12:21:08 2017 -0400

    Silence warnings for dereferencing null.

apaprocki/bde,che2/bde,bloomberg/bde,che2/bde,apaprocki/bde,bloomberg/bde,che2/bde,bloomberg/bde,bloomberg/bde,apaprocki/bde,apaprocki/bde,apaprocki/bde,bloomberg/bde,che2/bde