Fix Metal build

src/rhi/qrhimetal.mm

@@ -521,7 +521,7 @@ QRhiSampler *QRhiMetal::createSampler(QRhiSampler::Filter magFilter, QRhiSampler
                                       QRhiSampler::Filter mipmapMode,
                                       QRhiSampler::AddressMode u, QRhiSampler::AddressMode v)
 {
-    return new QMetalSampler(this, magFilter, minFilter, mipmapMode, u, v, w);
+    return new QMetalSampler(this, magFilter, minFilter, mipmapMode, u, v);
 }
 
 QRhiTextureRenderTarget *QRhiMetal::createTextureRenderTarget(const QRhiTextureRenderTargetDescription &desc,