diff --git a/contrib/sdk/sources/newlib/libc/include/sound.h b/contrib/sdk/sources/newlib/libc/include/sound.h
index 1ef9973592..0ce8ab8d4f 100644
--- a/contrib/sdk/sources/newlib/libc/include/sound.h
+++ b/contrib/sdk/sources/newlib/libc/include/sound.h
@@ -136,8 +136,7 @@ typedef struct
 unsigned int _stdcall test_wav(WAVEHEADER *hdr);
 
 #ifdef __cplusplus
-extern "C"
-}
+} /* extern "C" */
 #endif
 
 #endif //_SOUND_H_
diff --git a/contrib/sdk/sources/sound/include/sound.h b/contrib/sdk/sources/sound/include/sound.h
index fbbeabd2e1..866c4a2879 100644
--- a/contrib/sdk/sources/sound/include/sound.h
+++ b/contrib/sdk/sources/sound/include/sound.h
@@ -135,8 +135,7 @@ typedef struct
 unsigned int _stdcall test_wav(WAVEHEADER *hdr);
 
 #ifdef __cplusplus
-extern "C"
-}
+} /* extern "C" */
 #endif
 
 #endif //_SOUND_H_