Merge branch 'fix_memory_leaks' into 'master'

fixing 2 memory leaks

See merge request !75
17 jobs for master in 26 minutes and 38 seconds (queued for 1 second)
Status Name Job ID Coverage
  Compilation
passed cmp:cc7-gcc #2922412
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passed cmp:cc7-llvm #2922413
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passed cmp:mac1013-clang #2922414
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passed cmp:slc6-gcc #2922410
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passed cmp:slc6-llvm #2922411
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  Testing
passed tst:telescope #2922415
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  Formatting
passed fmt:cc7-llvm-lint #2922419
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passed fmt:centos7-llvm-format #2922418
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passed fmt:slc6-llvm-format #2922416
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passed fmt:slc6-llvm-lint #2922417
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  Documentation
passed cmp:doxygen #2922420
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passed cmp:usermanual #2922421
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  Packaging
passed pkg:cc7-gcc #2922423
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passed pkg:slc6-gcc #2922422
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  Deployment
passed deploy-cvmfs #2922425
cvmfs-deploy

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passed deploy-docker-latest #2922426
docker-image-build

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passed deploy-eos #2922424
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