Fix being able to move slowly when over encumbered

apps/openmw/mwmechanics/character.cpp

@@ -461,6 +461,8 @@ void CharacterController::update(float duration, Movement &movement)
 
         Ogre::Vector3 moved = mAnimation->runAnimation(duration);
         // Ensure we're moving in generally the right direction
+        if (speed > 0.f)
+        {
             if((movement.mPosition[0] < 0.0f && movement.mPosition[0] < moved.x*2.0f) ||
                (movement.mPosition[0] > 0.0f && movement.mPosition[0] > moved.x*2.0f))
                 moved.x = movement.mPosition[0];
@@ -470,6 +472,7 @@ void CharacterController::update(float duration, Movement &movement)
             if((movement.mPosition[2] < 0.0f && movement.mPosition[2] < moved.z*2.0f) ||
                (movement.mPosition[2] > 0.0f && movement.mPosition[2] > moved.z*2.0f))
                 moved.z = movement.mPosition[2];
+        }
 
         movement.mPosition[0] = moved.x;
         movement.mPosition[1] = moved.y;