Convert tabs to spaces.
diff --git a/ndn-cpp/c/encoding/binary-xml-interest.h b/ndn-cpp/c/encoding/binary-xml-interest.h
index a1c9631..e8c955b 100644
--- a/ndn-cpp/c/encoding/binary-xml-interest.h
+++ b/ndn-cpp/c/encoding/binary-xml-interest.h
@@ -4,14 +4,14 @@
*/
#ifndef NDN_BINARYXMLINTEREST_H
-#define NDN_BINARYXMLINTEREST_H
+#define NDN_BINARYXMLINTEREST_H
#include "../errors.h"
#include "../interest.h"
#include "binary-xml-encoder.h"
#include "binary-xml-decoder.h"
-#ifdef __cplusplus
+#ifdef __cplusplus
extern "C" {
#endif
@@ -19,7 +19,7 @@
ndn_Error ndn_decodeBinaryXmlInterest(struct ndn_Interest *interest, struct ndn_BinaryXmlDecoder *decoder);
-#ifdef __cplusplus
+#ifdef __cplusplus
}
#endif