iproute2: iproute.c: fix usage() spacing problems

Fix two spacing problems around square brackets in usage text.
Signed-off-by: Richard Godbee <richard@godbee.net>

ip/iproute.c

@@ -63,7 +63,7 @@ static void usage(void)
 	fprintf(stderr, "       ip route restore\n");
 	fprintf(stderr, "       ip route showdump\n");
 	fprintf(stderr, "       ip route get ADDRESS [ from ADDRESS iif STRING ]\n");
-	fprintf(stderr, "                            [ oif STRING ]  [ tos TOS ]\n");
+	fprintf(stderr, "                            [ oif STRING ] [ tos TOS ]\n");
 	fprintf(stderr, "                            [ mark NUMBER ]\n");
 	fprintf(stderr, "       ip route { add | del | change | append | replace } ROUTE\n");
 	fprintf(stderr, "SELECTOR := [ root PREFIX ] [ match PREFIX ] [ exact PREFIX ]\n");
@@ -76,7 +76,7 @@ static void usage(void)
 	fprintf(stderr, "INFO_SPEC := NH OPTIONS FLAGS [ nexthop NH ]...\n");
 	fprintf(stderr, "NH := [ via ADDRESS ] [ dev STRING ] [ weight NUMBER ] NHFLAGS\n");
 	fprintf(stderr, "OPTIONS := FLAGS [ mtu NUMBER ] [ advmss NUMBER ]\n");
-	fprintf(stderr, "           [ rtt TIME ] [ rttvar TIME ] [reordering NUMBER ]\n");
+	fprintf(stderr, "           [ rtt TIME ] [ rttvar TIME ] [ reordering NUMBER ]\n");
 	fprintf(stderr, "           [ window NUMBER] [ cwnd NUMBER ] [ initcwnd NUMBER ]\n");
 	fprintf(stderr, "           [ ssthresh NUMBER ] [ realms REALM ] [ src ADDRESS ]\n");
 	fprintf(stderr, "           [ rto_min TIME ] [ hoplimit NUMBER ] [ initrwnd NUMBER ]\n");