Maybe fixes problem with send to cryo slot freeing #251

Job	Run time
Lint with OpenDream	56s
Compile Maps	33s
Run Linters	1m 48s
Find Maps to Test	13s
Windows Build	1m 32s
Unit Tests (corsat) / run_unit_tests	53s
Unit Tests (bigredv2) / run_unit_tests	50s
Unit Tests (chinook) / run_unit_tests	3m 19s
Unit Tests (almayer) / run_unit_tests	1m 4s
Unit Tests (derelict_almayer) / run_unit_tests	1m 9s
Unit Tests (desert_dam) / run_unit_tests	53s
Unit Tests (golden_arrow) / run_unit_tests	55s
Unit Tests (fiorina_sciannex) / run_unit_tests	59s
Unit Tests (ice_colony_v2) / run_unit_tests	56s
Unit Tests (kutjevo) / run_unit_tests	1m 31s
Unit Tests (lv624) / run_unit_tests	1m 23s
Unit Tests (new_varadero) / run_unit_tests	1m 25s
Unit Tests (lv522_chances_claim) / run_unit_tests	48s
Unit Tests (prison_station_fop) / run_unit_tests	56s
Unit Tests (runtime) / run_unit_tests	57s
Unit Tests (shivas_snowball) / run_unit_tests	2m 50s
Unit Tests (sorokyne_strata) / run_unit_tests	1m 26s
Alternate Tests (515, 1610, lv624) / run_unit_tests	47s
Unit Tests (whiskey_outpost_v2) / run_unit_tests	59s
Check Alternate Tests	0s
	29m 2s

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