Fixed love.graphics.draw(particlesystem, …) to actually use the transformation parameters.

--HG--
branch : minor

src/modules/graphics/ParticleSystem.cpp

@@ -1048,7 +1048,7 @@ void ParticleSystem::update(float dt)
 	prevPosition = position;
 }
 
-bool ParticleSystem::prepareDraw(Graphics *gfx, const Matrix4 &m)
+bool ParticleSystem::prepareDraw(Graphics *gfx)
 {
 	uint32 pCount = getCount();
 
@@ -1057,8 +1057,6 @@ bool ParticleSystem::prepareDraw(Graphics *gfx, const Matrix4 &m)
 
 	gfx->flushStreamDraws();
 
-	Graphics::TempTransform transform(gfx, m);
-
 	const vertex::XYf_STf *textureVerts = texture->getQuad()->getVertices();
 	Vertex *pVerts = (Vertex *) buffer->map();
 	Particle *p = pHead;