Add missing extern "C" in unwind-arm.h.
#include <stdint.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/**
* ARM-specific unwind definitions. These are taken from the ARM EHABI
* specification.
@@ -207,3 +211,7 @@ _Unwind_Reason_Code name(_Unwind_State state,\
(dst)->barrier_cache = (src)->barrier_cache; \
(dst)->cleanup_cache = (src)->cleanup_cache; \
(dst)->pr_cache = (src)->pr_cache;
+
+#ifdef __cplusplus
+}
+#endif
