wall pen fixes #1781

Job	Run time
map-tests (operation_trebuchet)	2m 3s
code-tests (CODE)	4m 41s
map-tests (slayer)	1m 43s
code-tests (WEB)	3m 28s
map-tests (firefight)	1m 59s
map-tests (crusade)	1m 44s
map-tests (stranded)	1m 45s
map-tests (first_contact)	2m 15s
map-tests (ks7_elmsville)	3m 36s
map-tests (ks7_elmsville_spaceodp)	3m 17s
map-tests (base_assault)	2m 5s
map-tests (base_assault_unsc_defend_vs_urf)	2m 14s
map-tests (unsc_achlys)	1m 53s
map-tests (base_assault_neutral_base)	2m 8s
map-tests (base_assault_neutral_base_taurus)	2m 25s
map-tests (geminus_city)	3m 6s
map-tests (geminus_city_urf_active)	3m 8s
map-tests (system_conquest)	8m 22s
	51m 52s

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