ARM: Fix build problem with external frame unwinding.

diff --git a/src/lj_err.c b/src/lj_err.c
index 01b86d1129d91a3c651ed0c79683b84ebe624d6b..a847ca07db224bcb06f247be78d1be703a7b5183 100644 (file)
--- a/src/lj_err.c
+++ b/src/lj_err.c
@@ -310,7 +310,6 @@ static void err_raise_ext(int errcode)
 #define _US_FORCE_UNWIND               8
 
 typedef struct _Unwind_Control_Block _Unwind_Control_Block;
-typedef struct _Unwind_Context _Unwind_Context;
 
 struct _Unwind_Control_Block {
   uint64_t exclass;