nginx: add http_sub_module and other fix

Someone requested this module to be included, so create the config flag for it.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>

net/nginx/Config.in

@@ -202,6 +202,11 @@ config NGINX_HTTP_SECURE_LINK
 	prompt "Enable HTTP secure link module"
 	default n
 	
+config NGINX_HTTP_SUB
+	bool
+	prompt "Enable HTTP sub module"
+	default n
+	
 config NGINX_HEADERS_MORE
 	bool
 	prompt "Enable Headers_more module"

net/nginx/Config_ssl.in

@@ -194,6 +194,11 @@ config NGINX_HTTP_SECURE_LINK
 	bool
 	prompt "Enable HTTP secure link module"
 	default n
+
+config NGINX_HTTP_SUB
+	bool
+	prompt "Enable HTTP sub module"
+	default n
 	
 config NGINX_HEADERS_MORE
 	bool

net/nginx/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=nginx
 PKG_VERSION:=1.15.1
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=nginx-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://nginx.org/download/
@@ -261,6 +261,9 @@ ifneq ($(BUILD_VARIANT),all-module)
   ifeq ($(CONFIG_NGINX_HTTP_SECURE_LINK),y)
     ADDITIONAL_MODULES += --with-http_secure_link_module
   endif
+  ifeq ($(CONFIG_NGINX_HTTP_SUB),y)
+	ADDITIONAL_MODULES += --with-http_sub_module
+  endif
   ifeq ($(CONFIG_NGINX_HEADERS_MORE),y)
     ADDITIONAL_MODULES += --add-module=$(PKG_BUILD_DIR)/nginx-headers-more
   endif
@@ -283,7 +286,7 @@ else
   ADDITIONAL_MODULES += --with-http_ssl_module --add-module=$(PKG_BUILD_DIR)/nginx-naxsi/naxsi_src \
     --add-module=$(PKG_BUILD_DIR)/lua-nginx --with-ipv6 --with-http_stub_status_module --with-http_flv_module \
 	--with-http_dav_module --with-http_auth_request_module --with-http_v2_module --with-http_realip_module \
-	--with-http_secure_link_module --add-module=$(PKG_BUILD_DIR)/nginx-headers-more \
+	--with-http_secure_link_module --with-http_sub_module --add-module=$(PKG_BUILD_DIR)/nginx-headers-more \
 	--add-module=$(PKG_BUILD_DIR)/nginx-brotli --add-module=$(PKG_BUILD_DIR)/nginx-rtmp \
 	--add-module=$(PKG_BUILD_DIR)/nginx-ts
   config_files += koi-utf koi-win win-utf fastcgi_params