Gunzip: removed nginx.h leftover include.

src/http/modules/ngx_http_gunzip_filter_module.c

diff --git a/src/http/modules/ngx_http_gunzip_filter_module.c b/src/http/modules/ngx_http_gunzip_filter_module.c
index 8493047..f8434cb 100644
--- a/src/http/modules/ngx_http_gunzip_filter_module.c
+++ b/src/http/modules/ngx_http_gunzip_filter_module.c
@@ -9,7 +9,6 @@
 #include <ngx_config.h>
 #include <ngx_core.h>
 #include <ngx_http.h>
-#include <nginx.h>
 
 #include <zlib.h>