Code style: Replace tab with space.
diff --git a/include/ndn-cpp/c/forwarding-flags.h b/include/ndn-cpp/c/forwarding-flags.h
index ba6f6b5..863bf04 100644
--- a/include/ndn-cpp/c/forwarding-flags.h
+++ b/include/ndn-cpp/c/forwarding-flags.h
@@ -5,9 +5,9 @@
*/
#ifndef NDN_FORWARDING_FLAGS_H
-#define NDN_FORWARDING_FLAGS_H
+#define NDN_FORWARDING_FLAGS_H
-#ifdef __cplusplus
+#ifdef __cplusplus
extern "C" {
#endif
@@ -48,7 +48,7 @@
void ndn_ForwardingFlags_setForwardingEntryFlags(struct ndn_ForwardingFlags *self, int forwardingEntryFlags);
-#ifdef __cplusplus
+#ifdef __cplusplus
}
#endif