nginx-0.0.1-2003-06-03-19:42:58 import
diff --git a/src/core/ngx_string.h b/src/core/ngx_string.h
index daf5f00..036194b 100644
--- a/src/core/ngx_string.h
+++ b/src/core/ngx_string.h
@@ -3,6 +3,7 @@
 
 
 #include <ngx_config.h>
+#include <ngx_core.h>
 
 
 typedef struct {