fix: Ensure container exists when checking if a specific rider is free to exit

Author: Stubbjax

Generals/Code/GameEngine/Source/GameLogic/Object/Contain/TransportContain.cpp

@@ -460,7 +460,7 @@ Bool TransportContain::isSpecificRiderFreeToExit(Object* specificObject)
 	// TheSuperHackers @bugfix Stubbjax 02/03/2026 If our parent container is held, then we
 	// are not free to exit.
 	DEBUG_ASSERTCRASH(specificObject->getContainedBy(), ("rider must be contained"));
-	if (specificObject->getContainedBy()->isDisabledByType(DISABLED_HELD))
+	if (specificObject->getContainedBy() && specificObject->getContainedBy()->isDisabledByType(DISABLED_HELD))
 		return FALSE;
 #endif
 

GeneralsMD/Code/GameEngine/Source/GameLogic/Object/Contain/TransportContain.cpp

@@ -571,7 +571,7 @@ Bool TransportContain::isSpecificRiderFreeToExit(Object* specificObject)
 	// TheSuperHackers @bugfix Stubbjax 02/03/2026 If our parent container is held, then we
 	// are not free to exit.
 	DEBUG_ASSERTCRASH(specificObject->getContainedBy(), ("rider must be contained"));
-	if (specificObject->getContainedBy()->isDisabledByType(DISABLED_HELD))
+	if (specificObject->getContainedBy() && specificObject->getContainedBy()->isDisabledByType(DISABLED_HELD))
 		return FALSE;
 #endif