rules for compile ngx_pagespeed | ngx_cache_purge

## Create rules for compiling ngx_cache_purge and ngx_pagespeed with Nginx
sed -i '/^\s*--with-ipv6\s*$/{
a\         --add-module=/usr/local/src/ngx_cache_purge-2.1 \\
a\         --add-module=/usr/local/src/ngx_pagespeed-1.9.32.2-beta
c\         --with-ipv6 \\
}' \
/usr/local/src/nginx-1.7.7/debian/rules

sed -i '/^\s*--with-debug\s*$/{
a\         --add-module=/usr/local/src/ngx_cache_purge-2.1 \\
a\         --add-module=/usr/local/src/ngx_pagespeed-1.9.32.2-beta
c\         --with-debug \\
}' \
/usr/local/src/nginx-1.7.7/debian/rules