avio: cosmetics, vertically align comments.

libavformat/avio.h

@@ -50,10 +50,10 @@ typedef struct {
     int (*read_packet)(void *opaque, uint8_t *buf, int buf_size);
     int (*write_packet)(void *opaque, uint8_t *buf, int buf_size);
     int64_t (*seek)(void *opaque, int64_t offset, int whence);
-    int64_t pos; /**< position in the file of the current buffer */
-    int must_flush; /**< true if the next seek should flush */
-    int eof_reached; /**< true if eof reached */
-    int write_flag;  /**< true if open for writing */
+    int64_t pos;            /**< position in the file of the current buffer */
+    int must_flush;         /**< true if the next seek should flush */
+    int eof_reached;        /**< true if eof reached */
+    int write_flag;         /**< true if open for writing */
 #if FF_API_OLD_AVIO
     attribute_deprecated int is_streamed;
 #endif
@@ -61,7 +61,7 @@ typedef struct {
     unsigned long checksum;
     unsigned char *checksum_ptr;
     unsigned long (*update_checksum)(unsigned long checksum, const uint8_t *buf, unsigned int size);
-    int error;         ///< contains the error code or 0 if no error happened
+    int error;              /**< contains the error code or 0 if no error happened */
     int (*read_pause)(void *opaque, int pause);
     int64_t (*read_seek)(void *opaque, int stream_index,
                          int64_t timestamp, int flags);