Clear impact velocity on WalkingStrategy Reset.

Fixes landing behaviours incorrectly firing after a brain transition.

MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/PubUtilLib/plAvatar/plPhysicalControllerCore.cpp

@@ -537,6 +537,8 @@ void plWalkingStrategy::AddContactNormals(hsVector3& vec)
 void plWalkingStrategy::Reset(bool newAge)
 {
 	plMovementStrategy::Reset(newAge);
+	fImpactVelocity.Set(0.0f, 0.0f, 0.0f);
+	fImpactTime = 0.0f;
 	if (newAge)
 	{
 		fTimeInAir = 0.0f;