fixed the nginx server_header patch.

patches/nginx-1.13.2-server_header.patch

@@ -1,24 +1,26 @@
-diff -ur nginx-1.13.2/src/core/nginx.h nginx-1.13.2-patched/src/core/nginx.h
---- nginx-1.13.2/src/core/nginx.h	2010-02-12 17:31:01.000000000 +0800
-+++ nginx-1.13.2-patched/src/core/nginx.h	2010-03-30 10:52:13.240702627 +0800
-@@ -10,7 +10,7 @@
+diff --git a/src/core/nginx.h b/src/core/nginx.h
+index 37e257fc..fd49eff7 100644
+--- a/src/core/nginx.h
++++ b/src/core/nginx.h
+@@ -11,7 +11,7 @@
  
- #define nginx_version         1013002
+ #define nginx_version      1013002
  #define NGINX_VERSION      "1.13.2"
 -#define NGINX_VER          "nginx/" NGINX_VERSION
 +#define NGINX_VER          "openresty/" NGINX_VERSION ".unknown"
  
- #define NGINX_VAR          "NGINX"
- #define NGX_OLDPID_EXT     ".oldbin"
-diff -ur nginx-1.13.2/src/http/ngx_http_header_filter_module.c nginx-1.13.2-patched/src/http/ngx_http_header_filter_module.c
---- nginx-1.13.2/src/http/ngx_http_header_filter_module.c	2010-03-03 23:14:04.000000000 +0800
-+++ nginx-1.13.2-patched/src/http/ngx_http_header_filter_module.c	2010-03-30 10:52:53.670909405 +0800
-@@ -45,7 +45,7 @@
+ #ifdef NGX_BUILD
+ #define NGINX_VER_BUILD    NGINX_VER " (" NGX_BUILD ")"
+diff --git a/src/http/ngx_http_header_filter_module.c b/src/http/ngx_http_header_filter_module.c
+index 9b894059..ca13f2a3 100644
+--- a/src/http/ngx_http_header_filter_module.c
++++ b/src/http/ngx_http_header_filter_module.c
+@@ -46,7 +46,7 @@ ngx_module_t  ngx_http_header_filter_module = {
  };
  
  
--static char ngx_http_server_string[] = "Server: nginx" CRLF;
-+static char ngx_http_server_string[] = "Server: openresty" CRLF;
- static char ngx_http_server_full_string[] = "Server: " NGINX_VER CRLF;
- 
+-static u_char ngx_http_server_string[] = "Server: nginx" CRLF;
++static u_char ngx_http_server_string[] = "Server: openresty" CRLF;
+ static u_char ngx_http_server_full_string[] = "Server: " NGINX_VER CRLF;
+ static u_char ngx_http_server_build_string[] = "Server: " NGINX_VER_BUILD CRLF;