sound/oss/v_midi.h: Checkpatch cleanup

sound/oss/v_midi.h:5: ERROR: code indent should use tabs where possible
sound/oss/v_midi.h:7: ERROR: trailing whitespace

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/oss/v_midi.h

@@ -2,9 +2,9 @@ typedef struct vmidi_devc {
 	   int dev;
 
 	/* State variables */
- 	   int opened;
+	   int opened;
 	   spinlock_t lock;
-	
+
 	/* MIDI fields */
 	   int my_mididev;
 	   int pair_mididev;
@@ -12,4 +12,3 @@ typedef struct vmidi_devc {
 	   int intr_active;
 	   void (*midi_input_intr) (int dev, unsigned char data);
 	} vmidi_devc;
-