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scripts/glibcelf.py: Properly report <elf.h> parsing failures
Without this change, parse failures result in an exception: Traceback (most recent call last): File "tst-glibcelf.py", line 23, in <module> import glibcelf File "/path/to/git/scripts/glibcelf.py", line 226, in <module> _elf_h = _parse_elf_h() File "/path/to/git/scripts/glibcelf.py", line 221, in _parse_elf_h result = glibcpp.macro_eval(glibcpp.macro_definitions(tokens), reporter) File "/path/to/git/scripts/glibcpp.py", line 379, in macro_eval reporter.error(md.line, 'macro {} redefined'.format(md.name)) File "/path/to/git/scripts/glibcelf.py", line 214, in error errors += 1 UnboundLocalError: local variable 'errors' referenced before assignment
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@ -211,7 +211,7 @@ def _parse_elf_h():
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self.errors = 0
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def error(self, line, message):
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errors += 1
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self.errors += 1
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print('{}:{}: error: {}'.format(path, line, message))
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def note(self, line, message):
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