include: Add D3D11_RAISE_FLAG enumeration in d3d11.idl.

include/d3d11.idl

@@ -961,6 +961,11 @@ typedef enum D3D11_MAP_FLAG
     D3D11_MAP_FLAG_DO_NOT_WAIT = 0x00100000
 } D3D11_MAP_FLAG;
 
+typedef enum D3D11_RAISE_FLAG
+{
+    D3D11_RAISE_FLAG_DRIVER_INTERNAL_ERROR = 0x1,
+} D3D11_RAISE_FLAG;
+
 typedef struct D3D11_QUERY_DATA_SO_STATISTICS
 {
     UINT64 NumPrimitivesWritten;