vp9/common: add extern "C" to headers
Change-Id: Ic334da9aee968e33762c2b25d9fbad24c844b411
diff --git a/vp9/common/vp9_common.h b/vp9/common/vp9_common.h
index 36d1cdf..69964da 100644
--- a/vp9/common/vp9_common.h
+++ b/vp9/common/vp9_common.h
@@ -19,6 +19,10 @@
#include "vpx_mem/vpx_mem.h"
#include "vpx/vpx_integer.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#define MIN(x, y) (((x) < (y)) ? (x) : (y))
#define MAX(x, y) (((x) > (y)) ? (x) : (y))
@@ -91,4 +95,8 @@
#define VP9_FRAME_MARKER 0x2
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
#endif // VP9_COMMON_VP9_COMMON_H_
