fsdev: open brace '{' following struct go on the same line

I found some style problems while check the code using checkpatch.pl.
This commit fixs the issue below:
ERROR: open brace '{' following struct go on the same line

Signed-off-by: zhouyang <zhouyang789@huawei.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20201209060735.2760943-1-zhouyang789@huawei.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

fsdev/9p-marshal.h

@@ -1,21 +1,18 @@
 #ifndef QEMU_9P_MARSHAL_H
 #define QEMU_9P_MARSHAL_H
 
-typedef struct V9fsString
-{
+typedef struct V9fsString {
     uint16_t size;
     char *data;
 } V9fsString;
 
-typedef struct V9fsQID
-{
+typedef struct V9fsQID {
     uint8_t type;
     uint32_t version;
     uint64_t path;
 } V9fsQID;
 
-typedef struct V9fsStat
-{
+typedef struct V9fsStat {
     int16_t size;
     int16_t type;
     int32_t dev;
@@ -35,8 +32,7 @@ typedef struct V9fsStat
     int32_t n_muid;
 } V9fsStat;
 
-typedef struct V9fsIattr
-{
+typedef struct V9fsIattr {
     int32_t valid;
     int32_t mode;
     int32_t uid;

fsdev/file-op-9p.h

@@ -110,8 +110,7 @@ typedef union V9fsFidOpenState V9fsFidOpenState;
 
 void cred_init(FsCred *);
 
-struct FileOperations
-{
+struct FileOperations {
     int (*parse_opts)(QemuOpts *, FsDriverEntry *, Error **errp);
     int (*init)(FsContext *, Error **errp);
     void (*cleanup)(FsContext *);