nginx-0.3.20-RELEASE import

    *) Bugfix: in SSI handling.

    *) Bugfix: the ngx_http_memcached_module did not support the keys in
       the "/usr?args" form.
diff --git a/src/core/ngx_hash.h b/src/core/ngx_hash.h
index 855dde7..ad73438 100644
--- a/src/core/ngx_hash.h
+++ b/src/core/ngx_hash.h
@@ -61,6 +61,7 @@
 #define NGX_HASH_LARGE_HSIZE      10007
 
 #define NGX_HASH_WILDCARD_KEY     1
+#define NGX_HASH_READONLY_KEY     2
 
 
 typedef struct {
@@ -114,6 +115,7 @@
     void *value, ngx_uint_t flags);
 
 
+#define ngx_hash0(key, c)   key + c
 ngx_int_t ngx_hash0_init(ngx_hash0_t *hash, ngx_pool_t *pool, void *names,
     ngx_uint_t nelts);