new ngx_queue functions

auto/sources

diff --git a/auto/sources b/auto/sources
index ed78c71..62fb047 100644
--- a/auto/sources
+++ b/auto/sources
@@ -44,6 +44,7 @@
            src/core/ngx_list.c \
            src/core/ngx_hash.c \
            src/core/ngx_buf.c \
+           src/core/ngx_queue.c \
            src/core/ngx_output_chain.c \
            src/core/ngx_string.c \
            src/core/ngx_parse.c \