AP_NavEKF3: fixed inverted function setInhibitGpsVertVelUse()

libraries/AP_NavEKF3/AP_NavEKF3.h

@@ -129,7 +129,7 @@ public:
 
     // Set the argument to true to prevent the EKF using the GPS vertical velocity
     // This can be used for situations where GPS velocity errors are causing problems with height accuracy
-    void setGpsVertVelUse(const bool varIn) { inhibitGpsVertVelUse = varIn; };
+    void setInhibitGpsVertVelUse(const bool varIn) { inhibitGpsVertVelUse = varIn; };
 
     // return the horizontal speed limit in m/s set by optical flow sensor limits
     // return the scale factor to be applied to navigation velocity gains to compensate for increase in velocity noise with height when using optical flow