apparmor: correct apparmor_parser -N command privilege

Fix the apparmor_parsers -N command (which dumps the list of profile
names found in a policy file) to be available without privilege and
also make it be recognized as a command instead of an option so that
it can conflict with -a -r -R -S and -o.

Currently it can be specified with these commands but will cause the
parser to short circuit just dumping the names and not doing the actual
profile compile or load.

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-By: Steve Beattie <sbeattie@ubuntu.com>

parser/parser_main.c

@@ -456,8 +456,10 @@ static int process_arg(int c, char *optarg)
 		skip_cache = 1;
 		break;
 	case 'N':
+		count++;
 		names_only = 1;
 		skip_cache = 1;
+		kernel_load = 0;
 		break;
 	case 'S':
 		count++;