OpenRA/OpenRA — pull request #5892 by Mailaender (2014-07-09 05:35:26+00:00)
Title: Added a check if the rearm host building is gone

Brings it in line with https://github.com/OpenRA/OpenRA/blob/bleed/OpenRA.Mods.RA/Activities/Repair.cs#L27. Could fix #5670.