nnp.sh: replace --with-http_spdy_module with --with-http_v2_module

Author: Irvin

nnp.sh

@@ -12,7 +12,7 @@ COMPILE="--add-module=${DIRECTORY}/ngx_pagespeed-release-${PAGESPEED}-beta \
 --without-mail_imap_module \
 --without-mail_smtp_module \
 --with-http_ssl_module \
---with-http_spdy_module \
+--with-http_v2_module \
 --with-http_stub_status_module \
 --with-http_gzip_static_module"