More gasstation functions (#776)

* More gasstation functions

* Match GasStation::HandleClick

* Match GasStation::Tickle

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Co-authored-by: Christian Semmler <mail@csemmler.com>

LEGO1/lego/legoomni/include/gasstationstate.h

@@ -33,6 +33,7 @@ public:
 	// GasStationState::`scalar deleting destructor'
 
 	void FUN_10006430(undefined4);
+	void FUN_10006490();
 
 	friend class GasStation;