Fixed reference to time parsing code after 8b6fa4842133.

src/core/ngx_times.c

diff --git a/src/core/ngx_times.c b/src/core/ngx_times.c
index 843314a..1e36675 100644
--- a/src/core/ngx_times.c
+++ b/src/core/ngx_times.c
@@ -320,7 +320,7 @@
 
     /*
      * the algorithm based on Gauss' formula,
-     * see src/http/ngx_http_parse_time.c
+     * see src/core/ngx_parse_time.c
      */
 
     /* days since March 1, 1 BC */