[ALSA] virmidi: revert erroneous removal of zero initialization

The last patch that tried to remove zero initializations of static
variables accidentally removed a not-quite-zero initialization too.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

sound/drivers/virmidi.c

@@ -65,7 +65,7 @@ MODULE_SUPPORTED_DEVICE("{{ALSA,Virtual rawmidi device}}");
 
 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
-static int enable[SNDRV_CARDS];
+static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 0};
 static int midi_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
 
 module_param_array(index, int, NULL, 0444);