Fix topalert crash caused by empty ship
Fix topalert crash caused by empty ship

KagamiChan/poi,syncsyncsynchalt/poi,poooi/poi,poooi/poi,syncsyncsynchalt/poi,syncsyncsynchalt/poi,yudachi/poi,syncsyncsynchalt/poi,yudachi/poi,gnattu/poi,gnattu/poi,poooi/poi,yudachi/poi,PHELiOX/poi,KagamiChan/poi,PHELiOX/poi,poooi/poi