Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index cb1c991..90f618a 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -152,7 +152,7 @@
 	write_lock(&set->lock);
 	list_for_each_entry_safe(e, ep, &set->list, list) {
 		/*
-		 * We don't kfree dest because it is refered either
+		 * We don't kfree dest because it is referred either
 		 * by its service or by the trash dest list.
 		 */
 		atomic_dec(&e->dest->refcnt);