Keep clang-tidy modernize-use-bool-literals happy (#472)
Keep clang-tidy modernize-use-bool-literals happy (#472)

* Keep clang-tidy modernize-use-bool-literals happy

clang-tidy with `modernize-use-bool-literals` complains about the fact that 0 is used in place of false. Given I assume there is no particular reason for using `0` rather than `false`, I suggest to change it to avoid the false positives.

* Align TError.h to ROOT coding conventions

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