Werk #5250: Fixed tmpfs full issue: Activate Changes did not cleanup all temporary files

Component	Setup
Title	Fixed tmpfs full issue: Activate Changes did not cleanup all temporary files
Date	Dec 5, 2017
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.5.0i2 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT 1.4.0p21 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

The WATO work directory ~/tmp/check_mk/wato could grow in size, whenever an unexpected exception happened during the activate changes process.

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