remove stack call_frame num member

diff --git a/src/regexec.c b/src/regexec.c
index 0e24286fced4f96927d75fca2e1ab87bb30c12e1..9cafeab2b1fbc60b0a184dccc5c917ef8ab374ed 100644 (file)
--- a/src/regexec.c
+++ b/src/regexec.c
@@ -370,7 +370,6 @@ typedef struct _StackType {
 #ifdef USE_CALL
     struct {
       UChar *ret_addr;   /* byte code position */
-      int    num;        /* null check id */
       UChar *pstr;       /* string position */
     } call_frame;
 #endif