md: remove space after function name in declaration and call.

Having
   function (args)
instead of
   function(args)

make is harder to search for calls of particular functions.
So remove all those spaces.

Signed-off-by: NeilBrown <neilb@suse.de>

drivers/md/md.c

@@ -6295,7 +6295,7 @@ static int __init md_init(void)
 	raid_table_header = register_sysctl_table(raid_root_table);
 
 	md_geninit();
-	return (0);
+	return 0;
 }