debug: Fix crash handling null strings
When internal debug is enabled output null strings as "(null)" rather than crashing matching glibc's behavior.
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
commit message follows
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Do not update/delete: Notification broadcast message test data
When internal debug is enabled output null strings as "(null)" rather than crashing matching glibc's behavior.
make -j4 test
(UNIX), or vcbuild test
(Windows) passes