nginx: fix #8729

Let nginx's config depend on CONFIG_OPENSSL_WITH_NPN

Signed-off-by: Deng Qingfang <dengqf6@mail2.sysu.edu.cn>

net/nginx/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=nginx
 PKG_VERSION:=1.15.10
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=nginx-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://nginx.org/download/
@@ -72,6 +72,7 @@ PKG_CONFIG_DEPENDS := \
 	CONFIG_NGINX_RTMP_MODULE \
 	CONFIG_NGINX_TS_MODULE \
 	CONFIG_OPENSSL_ENGINE \
+	CONFIG_OPENSSL_WITH_NPN
 
 include $(INCLUDE_DIR)/package.mk