Prefer C linkage
diff --git a/src/hb-common.h b/src/hb-common.h
index 74d8512..85906c5 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -27,6 +27,17 @@
#ifndef HB_COMMON_H
#define HB_COMMON_H
+# ifdef __cplusplus
+# define HB_BEGIN_DECLS extern "C" {
+# define HB_END_DECLS }
+# else /* !__cplusplus */
+# define HB_BEGIN_DECLS
+# define HB_END_DECLS
+# endif /* !__cplusplus */
+
+HB_BEGIN_DECLS
+
+
#ifdef _MSC_VER
#define _HB__STR2__(x) #x
#define _HB__STR1__(x) _HB__STR2__(x)
@@ -47,14 +58,6 @@
#include <stdint.h>
#endif
-# ifdef __cplusplus
-# define HB_BEGIN_DECLS extern "C" {
-# define HB_END_DECLS }
-# else /* !__cplusplus */
-# define HB_BEGIN_DECLS
-# define HB_END_DECLS
-# endif /* !__cplusplus */
-
typedef int hb_bool_t;
typedef uint32_t hb_tag_t;
@@ -88,4 +91,6 @@
#define HB_DIRECTION_REVERSE(dir) ((hb_direction_t) (((unsigned int) (dir)) ^ 1))
+HB_END_DECLS
+
#endif /* HB_COMMON_H */
