wined3d: Advertise a few line caps.
diff --git a/include/d3d9caps.h b/include/d3d9caps.h
index c66d291..8ed6598 100644
--- a/include/d3d9caps.h
+++ b/include/d3d9caps.h
@@ -67,6 +67,7 @@
 #define D3DLINECAPS_BLEND             0x04
 #define D3DLINECAPS_ALPHACMP          0x08
 #define D3DLINECAPS_FOG               0x10
+#define D3DLINECAPS_ANTIALIAS         0x20
 
 #define D3DPBLENDCAPS_ZERO            0x00000001
 #define D3DPBLENDCAPS_ONE             0x00000002