block: Add options QDict to bdrv_file_open() prototypes (fix MinGW build)

The new parameter is unused yet.

This part was missing in commit 787e4a85.

Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Signed-off-by: NStefan Weil <sw@weilnetz.de>
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>

block/raw-win32.c

@@ -221,7 +221,8 @@ static void raw_parse_flags(int flags, int *access_flags, DWORD *overlapped)
     }
 }
 
-static int raw_open(BlockDriverState *bs, const char *filename, int flags)
+static int raw_open(BlockDriverState *bs, const char *filename,
+                    QDict *options, int flags)
 {
     BDRVRawState *s = bs->opaque;
     int access_flags;
@@ -494,7 +495,8 @@ static int hdev_probe_device(const char *filename)
     return 0;
 }
 
-static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
+static int hdev_open(BlockDriverState *bs, const char *filename,
+                     QDict *options, int flags)
 {
     BDRVRawState *s = bs->opaque;
     int access_flags, create_flags;