replaces four spaces by tabs, where appropriate

src/charon/encoding/payloads/configuration_attribute.c

@@ -117,8 +117,8 @@ static status_t verify(private_configuration_attribute_t *this)
 
 	switch (this->attribute_type)
 	{
-         case INTERNAL_IP4_ADDRESS:
-         case INTERNAL_IP4_NETMASK:
+		 case INTERNAL_IP4_ADDRESS:
+		 case INTERNAL_IP4_NETMASK:
 		 case INTERNAL_IP4_DNS:
 		 case INTERNAL_IP4_NBNS:
 		 case INTERNAL_ADDRESS_EXPIRY:

src/charon/encoding/payloads/notify_payload.h

@@ -87,7 +87,7 @@ enum notify_type_t {
 	NO_NATS_ALLOWED = 16402,
 	/* repeated authentication extension, RFC4478 */
 	AUTH_LIFETIME = 16403,
-    /* multiple authentication exchanges, RFC 4739 */
+	/* multiple authentication exchanges, RFC 4739 */
 	MULTIPLE_AUTH_SUPPORTED = 16404,
 	ANOTHER_AUTH_FOLLOWS = 16405,
 	/* draft-eronen-ipsec-ikev2-eap-auth, not assigned by IANA yet */