KEYS: Strip trailing spaces

Strip some trailing spaces.

Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index a29e355..43affcf 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -442,7 +442,7 @@
 
 	if (ctx->index_key.type == &key_type_keyring)
 		return ERR_PTR(-EPERM);
-	
+
 	user = key_user_lookup(current_fsuid());
 	if (!user)
 		return ERR_PTR(-ENOMEM);