wined3d: Merge two adjacent ifs with identical condition (PVS-Studio).

[Michael Stefaniuc]

---
 dlls/wined3d/device.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index bff610d..c746d18 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -1272,10 +1272,9 @@ HRESULT CDECL wined3d_device_set_stream_source(struct wined3d_device *device, UI
     {
         stream->stride = stride;
         stream->offset = offset;
+        wined3d_buffer_incref(buffer);
     }
 
-    if (buffer)
-        wined3d_buffer_incref(buffer);
     if (!device->recording)
         wined3d_cs_emit_set_stream_source(device->cs, stream_idx, buffer, offset, stride);
     if (prev_buffer)
-- 
2.4.3