Use clang_getFileLocation instead of clang_getSpellingLocation #2124

Job	Run time
docs	19s
msrv	51s
minimal	10s
quickchecking	12s
rustfmt-clippy	31s
test-book	8s
test (ubuntu-latest, 9.0, 1, 0, 0, 0, 0)	1m 52s
test (ubuntu-latest, 9.0, 1, 0, 0, 1, 0)	1m 47s
check-cfg	22s
test-expectations (ubuntu-latest)	45s
test (ubuntu-latest, 9.0, 1, 0, 1, 0, 0)	1m 45s
test-expectations (macos-12)	1m 47s
test (ubuntu-latest, 9.0, 1, 0, 1, 1, 0)	1m 43s
test (ubuntu-latest, 9.0, 1, 1, 0, 0, 0)	2m 11s
test (ubuntu-latest, 9.0, 1, 1, 0, 1, 0)	2m 25s
test (ubuntu-latest, 9.0, 1, 1, 1, 0, 0)	2m 19s
test (ubuntu-latest, 9.0, 1, 1, 1, 1, 0)	2m 9s
test (ubuntu-latest, 16.0, 1, 0, 0, 0, 0)	2m 40s
test (ubuntu-latest, 16.0, 1, 0, 0, 1, 0)	2m 34s
test (ubuntu-latest, 16.0, 1, 0, 1, 0, 0)	2m 35s
test (ubuntu-latest, 16.0, 1, 0, 1, 1, 0)	2m 47s
test (ubuntu-latest, 16.0, 1, 1, 0, 0, 0)	3m 6s
test (ubuntu-latest, 16.0, 1, 1, 0, 1, 0)	3m 6s
test (ubuntu-latest, 16.0, 1, 1, 1, 0, 0)	3m 8s
test (ubuntu-latest, 16.0, 1, 1, 1, 1, 0)	2m 56s
test (ubuntu-latest, 16.0, 0, 0, 1)	1m 46s
test (macos-12, 9.0, 0, 0, 0)	1m 38s
success	1s
	47m 33s

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