d3d9/tests: Fix the trailing '\n' in an ok() call.

dlls/d3d9/tests/visual.c

@@ -4425,7 +4425,7 @@ void test_compare_instructions(IDirect3DDevice9 *device)
     ok(hr == D3D_OK, "IDirect3DDevice9_Present failed with %s\n", DXGetErrorString9(hr));
 
     color = getPixelColor(device, 160, 360);
-    ok(color == 0x00FF00FF, "Compare test: Quad 1(sge vec) returned color 0x%08x, expected 0x00FF00FFn", color);
+    ok(color == 0x00FF00FF, "Compare test: Quad 1(sge vec) returned color 0x%08x, expected 0x00FF00FF\n", color);
     color = getPixelColor(device, 480, 360);
     ok(color == 0x0000FF00, "Compare test: Quad 2(slt vec) returned color 0x%08x, expected 0x0000FF00\n", color);
     color = getPixelColor(device, 160, 120);