Sniper rifle training: Fix missing victory sound, also disable controls at the end String freeze notice: This commit will display a caption with the string "Victory!". It does NOT violate the string freeze, as this string is already present in stub.lua.

[patterns]
**.h = native
**.c = native
**.cpp = native
**.lua = native
**.txt = native
**.pas = native
**.inc = native
**.hs = native