man: fix runner.min_ports default value

It should be 1 instead of 0.

Reported-by: LiLiang <liali@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
diff --git a/man/teamd.conf.5 b/man/teamd.conf.5
index 9bdf46a..5b0f3e9 100644
--- a/man/teamd.conf.5
+++ b/man/teamd.conf.5
@@ -240,7 +240,7 @@
 .RS 7
 .PP
 Default:
-.BR "0"
+.BR "1"
 .RE
 .TP
 .BR "runner.agg_select_policy " (string)