Add #ifndef guard around __FILE_NAME__ for Clang 11

(cherry picked from commit aa6e2335)
34 jobs for v1.4.4 in 44 minutes and 28 seconds (queued for 7 seconds)
latest
Status Name Job ID Coverage
  Compilation
passed cmp:cc7-docker #7529441
docker

00:05:43

passed cmp:cc7-gcc #7529442
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passed cmp:cc7-llvm #7529443
docker

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passed cmp:lxplus-gcc #7529440
docker

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passed cmp:mac1014-clang #7529444
mac

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passed cmp:slc6-gcc #7529431
docker

00:02:37

passed cmp:slc6-llvm #7529436
docker

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  Testing
passed core:cc7-docker #7529452
docker

00:02:05

passed core:cc7-gcc #7529454
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00:01:05

passed core:cc7-llvm #7529456
docker

00:00:58

passed core:lxplus-gcc #7529449
docker

00:02:48

passed core:mac1014-clang #7529458
mac

00:00:15

passed core:slc6-gcc #7529447
docker

00:01:11

passed core:slc6-llvm #7529451
docker

00:01:08

passed examples #7529445
docker

00:00:31

passed mod:cc7-gcc #7529453
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00:01:37

passed mod:cc7-llvm #7529455
docker

00:01:01

passed mod:lxplus-gcc #7529448
docker

00:01:41

passed mod:mac1014-clang #7529457
mac

00:01:01

passed mod:slc6-gcc #7529446
docker

00:01:42

passed mod:slc6-llvm #7529450
docker

00:01:31

 
  Formatting
passed fmt:cc7-llvm-format #7529461
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00:01:14

passed fmt:cc7-llvm-lint #7529462
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00:13:37

passed fmt:slc6-llvm-format #7529459
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00:01:07

passed fmt:slc6-llvm-lint #7529460
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00:15:27

 
  Performance
passed perf:cc7-gcc #7529463
benchmark

00:11:14

 
  Documentation
passed cmp:doxygen #7529464
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passed cmp:usermanual #7529465
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  Packaging
passed pkg:cc7-gcc #7529467
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00:01:55

passed pkg:slc6-gcc #7529466
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00:02:12

 
  Deployment
passed deploy-cvmfs #7529470
cvmfs-deploy

00:00:14

passed deploy-docker-tag #7529471
docker-image-build

00:03:50

passed deploy-documentation #7529468
docker

00:01:46

passed deploy-eos #7529469
docker

00:00:20