Modules compatibility: degradation fields now always present.
There is no need to save these two bits as they are wasted anyway.
Removed NGX_HTTP_DEGRADATION from the signature accordingly.
diff --git a/src/core/ngx_module.h b/src/core/ngx_module.h
index c944746..3ac1e43 100644
--- a/src/core/ngx_module.h
+++ b/src/core/ngx_module.h
@@ -170,11 +170,7 @@
#define NGX_MODULE_SIGNATURE_26 "0"
#endif
-#if (NGX_HTTP_DEGRADATION)
#define NGX_MODULE_SIGNATURE_27 "1"
-#else
-#define NGX_MODULE_SIGNATURE_27 "0"
-#endif
#if (NGX_HTTP_X_FORWARDED_FOR)
#define NGX_MODULE_SIGNATURE_28 "1"
diff --git a/src/http/ngx_http_core_module.h b/src/http/ngx_http_core_module.h
index 773c215..fb391d7 100644
--- a/src/http/ngx_http_core_module.h
+++ b/src/http/ngx_http_core_module.h
@@ -327,10 +327,8 @@
unsigned auto_redirect:1;
#if (NGX_HTTP_GZIP)
unsigned gzip_disable_msie6:2;
-#if (NGX_HTTP_DEGRADATION)
unsigned gzip_disable_degradation:2;
#endif
-#endif
ngx_http_location_tree_node_t *static_locations;
#if (NGX_PCRE)