fixed AI F-15C intake ramp bug

[Vekkinho]

Might not be related to 2.7.18 Open beta but after upgrading I noticed that AI F-15C units taxi with their engine intake ramps fully open which wasn't the case so far.

;) 

[Flappie]

Issue reported.

Thanks for the heads up.

[Flappie]

Fixed with today's OB update.