staging/comedi/me4000: fix sparse warning "obsolete struct initializer"

This patch fixes the sparse warnings in me4000.c:
me4000.c:122:1: warning: obsolete struct initializer, use C99 syntax
me4000.c:123:1: warning: obsolete struct initializer, use C99 syntax
me4000.c:124:1: warning: obsolete struct initializer, use C99 syntax
me4000.c:125:1: warning: obsolete struct initializer, use C99 syntax
by converting the struct to use C99 syntax

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/comedi/drivers/me4000.c

@@ -119,10 +119,10 @@ static int me4000_attach(struct comedi_device *dev,
 			 struct comedi_devconfig *it);
 static int me4000_detach(struct comedi_device *dev);
 static struct comedi_driver driver_me4000 = {
-driver_name: "me4000",
-module : THIS_MODULE,
-attach : me4000_attach,
-detach : me4000_detach,
+	.driver_name = "me4000",
+	.module = THIS_MODULE,
+	.attach = me4000_attach,
+	.detach = me4000_detach,
 };
 
 /*-----------------------------------------------------------------------------