Some have their editor configured to remove trailing whitespace and
editing such a file would "fix" it, adding an unrelated change.
Fix whitespace violations excluding third party libs and generated files
like glad or patches.
Enable pre-commit hook trailing-whitespace to enforce it in the future.
Fixes: #8016
Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
Ralph Sennhauser
58219b974c