Fix: report: Check if mounted.ocfs2 command exists before using it (bsc#1236220)

[liangxin1300]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.75%. Comparing base (dddbde5) to head (0b84ca9).
Report is 12 commits behind head on master.

Additional details and impacted files

Flag	Coverage Δ
integration	53.55% <0.00%> (-0.02%)	⬇️
unit	53.10% <100.00%> (-0.01%)	⬇️

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Files with missing lines	Coverage Δ
crmsh/report/collect.py	97.91% <100.00%> (+<0.01%)	⬆️

... and 1 file with indirect coverage changes

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