Fix dual arch upgrade deleting one the archs instead of updating it.
Fix dual arch upgrade deleting one the archs instead of updating it.

martingehrke/masterfiles,frap/masterfiles-1,frap/masterfiles-1,maciejmrowiec/masterfiles,martingehrke/masterfiles,frap/masterfiles-1,phnakarin/masterfiles,phnakarin/masterfiles,phnakarin/masterfiles,maciejmrowiec/masterfiles,martingehrke/masterfiles,maciejmrowiec/masterfiles