Fix "stuct", "strut", "struc" typos

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/include/linux/pfkeyv2.h b/include/linux/pfkeyv2.h
index 6351c40..bac0fb3 100644
--- a/include/linux/pfkeyv2.h
+++ b/include/linux/pfkeyv2.h
@@ -104,7 +104,7 @@
 /* followed by:
 	struct sadb_comb sadb_combs[(sadb_prop_len +
 		sizeof(uint64_t) - sizeof(struct sadb_prop)) /
-		sizeof(strut sadb_comb)]; */
+		sizeof(struct sadb_comb)]; */
 
 struct sadb_comb {
 	uint8_t		sadb_comb_auth;