Convert tabs to spaces.
diff --git a/ndn-cpp/c/encoding/binary-xml-key.h b/ndn-cpp/c/encoding/binary-xml-key.h
index 38c7420..c069356 100644
--- a/ndn-cpp/c/encoding/binary-xml-key.h
+++ b/ndn-cpp/c/encoding/binary-xml-key.h
@@ -4,14 +4,14 @@
*/
#ifndef NDN_BINARYXMLKEY_H
-#define NDN_BINARYXMLKEY_H
+#define NDN_BINARYXMLKEY_H
#include "../errors.h"
#include "../key.h"
#include "binary-xml-encoder.h"
#include "binary-xml-decoder.h"
-#ifdef __cplusplus
+#ifdef __cplusplus
extern "C" {
#endif
@@ -40,7 +40,7 @@
*/
ndn_Error ndn_decodeOptionalBinaryXmlKeyLocator(struct ndn_KeyLocator *keyLocator, struct ndn_BinaryXmlDecoder *decoder);
-#ifdef __cplusplus
+#ifdef __cplusplus
}
#endif