Adds Clamp to QuatF::dot()

Clamps output of QuatF::dot() to [-1, 1].

Engine/source/math/mQuat.h

@@ -222,7 +222,7 @@ inline QuatF& QuatF::neg()
 
 inline F32 QuatF::dot( const QuatF &q ) const
 {
-   return (w*q.w + x*q.x + y*q.y + z*q.z);
+   return mClampF(w*q.w + x*q.x + y*q.y + z*q.z, -1.0f, 1.0f);
 }
 
 inline F32 QuatF::angleBetween( const QuatF & q )