Remove old comments.

Fix errors discovered with -Wall.

src/nvmath/SphericalHarmonic.h

@@ -194,8 +194,6 @@ namespace nv
 		/// Evaluate the spherical harmonic function.
 		float sample(Vector3::Arg dir) const
 		{
-			float out = 0.0f;
-			
 			Sh sh(order());
 			sh.eval(dir);
 			

src/nvmath/Triangle.h

@@ -54,7 +54,7 @@ namespace nv
 
 	inline bool rayTest(const Triangle & t, Vector3::Arg orig, Vector3::Arg dir, float * out_t, float * out_u, float * out_v)
 	{
-		rayTest_Moller(t, orig, dir, out_t, out_u, out_v);
+		return rayTest_Moller(t, orig, dir, out_t, out_u, out_v);
 	}
 	
 	inline bool overlap(const Triangle & t, const Box & b)

src/nvmath/Vector.h

@@ -72,7 +72,6 @@ public:
 
 	scalar component(uint idx) const;
 
-	// @@ temporary... should use an explicit method?
 	const scalar * ptr() const;
 
 	void set(scalar x, scalar y, scalar z);
@@ -117,7 +116,6 @@ public:
 
 	scalar component(uint idx) const;
 
-	// @@ temporary... should use an explicit method?
 	const scalar * ptr() const;
 
 	void set(scalar x, scalar y, scalar z, scalar w);