ipmonitor: match user option 'all' before 'all-nsid'

'ip monitor all' is broken on older kernels.
This patch fixes 'ip monitor all' to match
'all' and not 'all-nsid'.

It moves parsing arg 'all-nsid' to after parsing
'all'.

Before:
$ip monitor all
NETLINK_LISTEN_ALL_NSID: Protocol not available

After:
$ip monitor all
[NEIGH]Deleted 10.0.0.1 dev eth1 lladdr c4:54:44:4f:b2:dd STALE

Fixes: 449b824a ("ipmonitor: allows to monitor in several netns")
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>

ip/ipmonitor.c

@@ -186,8 +186,6 @@ int do_ipmonitor(int argc, char **argv)
 			file = *argv;
 		} else if (matches(*argv, "label") == 0) {
 			prefix_banner = 1;
-		} else if (matches(*argv, "all-nsid") == 0) {
-			listen_all_nsid = 1;
 		} else if (matches(*argv, "link") == 0) {
 			llink=1;
 			groups = 0;
@@ -217,6 +215,8 @@ int do_ipmonitor(int argc, char **argv)
 			groups = 0;
 		} else if (strcmp(*argv, "all") == 0) {
 			prefix_banner=1;
+		} else if (matches(*argv, "all-nsid") == 0) {
+			listen_all_nsid = 1;
 		} else if (matches(*argv, "help") == 0) {
 			usage();
 		} else if (strcmp(*argv, "dev") == 0) {