vsl: Expose vsl_tag_is_masked

bin/varnishd/cache/cache.h

@@ -783,6 +783,7 @@ void VSLbs(struct vsl_log *, enum VSL_tag_e tag, const struct strands *s);
 void VSLb_ts(struct vsl_log *, const char *event, vtim_real first,
     vtim_real *pprev, vtim_real now);
 void VSLb_bin(struct vsl_log *, enum VSL_tag_e, ssize_t, const void*);
+int VSL_tag_is_masked(enum VSL_tag_e tag);
 
 static inline void
 VSLb_ts_req(struct req *req, const char *event, vtim_real now)

bin/varnishd/cache/cache_shmlog.c

@@ -130,6 +130,12 @@ vsl_tag_is_masked(enum VSL_tag_e tag)
 	return (*bm & b);
 }
 
+int
+VSL_tag_is_masked(enum VSL_tag_e tag)
+{
+	return (vsl_tag_is_masked(tag));
+}
+
 /*--------------------------------------------------------------------
  * Lay down a header fields, and return pointer to the next record
  */