include: Fix WICPersistOptions definition.

include/wincodecsdk.idl

@@ -21,10 +21,11 @@ import "wincodec.idl";
 
 typedef enum WICPersistOptions {
     WICPersistOptionsDefault = 0x00000000,
-    WICPersistOptionsLittleEndian = 0x00000001,
-    WICPersistOptionsBigEndian = 0x00000002,
-    WICPersistOptionsStrictFormat = 0x00000004,
-    WICPersistOptionsNoCacheStream = 0x00000008,
+    WICPersistOptionsLittleEndian = 0x00000000,
+    WICPersistOptionsBigEndian = 0x00000001,
+    WICPersistOptionsStrictFormat = 0x00000002,
+    WICPersistOptionsNoCacheStream = 0x00000004,
+    WICPersistOptionPreferUTF8 = 0x00000008,
     WICPersistOptionsMask = 0x0000FFFF
 } WICPersistOptions;