worker_rlimit_core should be off_t
diff --git a/src/core/ngx_cycle.h b/src/core/ngx_cycle.h
index 3f2e222..d96c85f 100644
--- a/src/core/ngx_cycle.h
+++ b/src/core/ngx_cycle.h
@@ -78,7 +78,7 @@
 
      ngx_int_t                rlimit_nofile;
      ngx_int_t                rlimit_sigpending;
-     size_t                   rlimit_core;
+     off_t                    rlimit_core;
 
      int                      priority;