Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/include/rxrpc/packet.h b/include/rxrpc/packet.h
index 9b2c308..f2902ef 100644
--- a/include/rxrpc/packet.h
+++ b/include/rxrpc/packet.h
@@ -148,7 +148,7 @@
  * Kerberos security type-2 response packet
  */
 struct rxkad_response {
-	__be32		version;	/* version of this reponse type */
+	__be32		version;	/* version of this response type */
 	__be32		__pad;
 
 	/* encrypted bit of the response */