component/nodejs: add 8.9.4

component/nodejs/buildout.cfg

@@ -15,12 +15,24 @@ parts =
 [nodejs]
 <= nodejs-0.12
 
+[nodejs-8.9.4]
+<= nodejs-base
+recipe = slapos.recipe.cmmi
+version = v8.9.4
+md5sum = 4ddc1daff327d7e6f63da57fdfc24f55
+
 [nodejs-8.6.0]
+<= nodejs-base
+version = v8.6.0
+md5sum = 0c95e08220667d8a18b97ecec8218ac6
+
+[nodejs-base]
 # Server-side Javascript.
+version =
+md5sum =
+
 recipe = slapos.recipe.cmmi
-version = v8.6.0
 url = https://nodejs.org/dist/${:version}/node-${:version}.tar.gz
-md5sum = 0c95e08220667d8a18b97ecec8218ac6
 configure-options =
   --shared-openssl
   --shared-openssl-includes=${openssl:location}/include