Intimidate surrender CTD fix

From this:

if surrendered then
    sound_object("characters_voice\\human\\".. surrender_voice_lines[comm][math.random(1,#surrender_voice_lines[comm])]):play_no_feedback(npc, sound_object.s3d, 0, npc:position(), 1, 1)
else
    sound_object("characters_voice\\human\\".. refusal_voice_lines[comm][math.random(1,#surrender_voice_lines[comm])]):play_no_feedback(npc, sound_object.s3d, 0, npc:position(), 1, 1)
end


To this:

if surrendered then
    local surrender_sound = surrender_voice_lines[comm][math.random(1,#surrender_voice_lines[comm])]
    if not surrender_sound then return nil end
    sound_object("characters_voice\\human\\".. surrender_sound):play_no_feedback(npc, sound_object.s3d, 0, npc:position(), 1, 1)
else
    local refusal_sound = refusal_voice_lines[comm][math.random(1,#surrender_voice_lines[comm])]
    if not refusal_sound then return nil end
    sound_object("characters_voice\\human\\".. refusal_sound):play_no_feedback(npc, sound_object.s3d, 0, npc:position(), 1, 1)
end