raptor_spawner_defense: Call to synced math.random with no range.

[saurtron]

Description

Some players getting this error Empty interval in math.random() {synced}, not sure why. That implies the lower value is bigger than the higher one.

Expected Behaviour

There should be no error.

Actual Behaviour

Empty interval in math.random() {synced}
stack traceback:
	[C]: in function 'mRandom'
	[string "LuaRules/Gadgets/raptor_spawner_defense.lua"]:741: in function 'SpawnBurrow'
	[string "LuaRules/Gadgets/raptor_spawner_defense.lua"]:1829: in function 'GameFrame'
	[string "LuaRules/gadgets.lua"]:1152: in function 'selffunc'
	[string "LuaRules/gadgets.lua"]:818: in function <[string "LuaRules/gadgets.lua"]:815>"
[t=00:04:15.054057][f=0000046] Error: [LuaRules::RunCallInTraceback] error=2 (LUA_ERRRUN) callin=GameFrame trace=[Internal Lua error: Call failure] [string "LuaRules/Gadgets/raptor_spawner_defense.lua"]:741: Empty interval in math.random() {synced}
stack traceback:

Reproduction steps

No response

Other

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