package: nghttp-asio: Add missing openssl dependency

Author: mattiaswal

package/nghttp2-asio/nghttp2-asio.mk

@@ -9,7 +9,7 @@ NGHTTP2_ASIO_SITE = https://github.com/kernelkit/nghttp2-asio.git
 NGHTTP2_ASIO_SITE_METHOD = git
 NGHTTP2_ASIO_LICENSE = MIT
 NGHTTP2_ASIO_LICENSE_FILES = COPYING
-NGHTTP2_ASIO_DEPENDENCIES = boost nghttp2
+NGHTTP2_ASIO_DEPENDENCIES = boost nghttp2 openssl
 NGHTTP2_ASIO_INSTALL_STAGING = YES
 NGHTTP2_ASIO_AUTOGEN = YES
 NGHTTP2_ASIO_AUTORECONF = YES