d3d9: Return success in d3d9_device_SetMaximumFrameLatency().

Signed-off-by: Akihiro Sagawa <sagawa.aki@gmail.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/d3d9/device.c

diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index cd42cbc..50bba6b 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -3548,9 +3548,12 @@
 
 static HRESULT WINAPI d3d9_device_SetMaximumFrameLatency(IDirect3DDevice9Ex *iface, UINT max_latency)
 {
-    FIXME("iface %p, max_latency %u stub!\n", iface, max_latency);
+    TRACE("iface %p, max_latency %u.\n", iface, max_latency);
 
-    return E_NOTIMPL;
+    if (max_latency)
+        FIXME("Ignoring max_latency %u.\n", max_latency);
+
+    return S_OK;
 }
 
 static HRESULT WINAPI d3d9_device_GetMaximumFrameLatency(IDirect3DDevice9Ex *iface, UINT *max_latency)