Merge pull request #5999 from ahorek/swap_calloc #5258

Job	Run time
libs-build	5m 34s
client-armv6-build	5m 32s
apps-build	8m 50s
client-arm-build	4m 25s
libs-cmake-build	7m 19s
client-arm64-build	2m 50s
client-x86-build	3m 8s
client-x86_64-build	2m 51s
manager-build (assembleRelease)	4m 46s
manager-build (assembleXiaomi_release)	5m 22s
manager-build (assembleArmv6_release)	4m 18s
manager-build (jacocoTestReportDebug)	6m 24s
	1h 1m 19s

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