fixed death ray reference in ANCIENT-RUINS -- was referring to "SHP_DEATH_RAY" ; I subsituted in  "SHP_WEAPON_13" -- Death Ray I, though perhaps one of the other death rays should be used

git-svn-id: https://freeorion.svn.sourceforge.net/svnroot/freeorion/trunk@5676 dbd5520b-6a0a-0410-a553-f54834df5b05
Merge remote-tracking branch 'svn-mirror/master'