Build: fix prod task env

Author: nolimits4web

package.json

@@ -10,7 +10,7 @@
     "build-react:dev": "cross-env NODE_ENV=development gulp phenome && gulp build-react",
     "build-react:prod": "cross-env NODE_ENV=production gulp phenome && gulp build-react",
     "dev": "cross-env-shell NODE_ENV=development \"gulp build-core && gulp phenome && gulp build-vue && gulp build-react && gulp ks-core && gulp ks-react && gulp ks-vue && gulp server\"",
-    "prod": "cross-env-shell NODE_ENV=development \"gulp ks-core && gulp ks-react && gulp ks-vue && gulp server\"",
+    "prod": "cross-env-shell NODE_ENV=production \"gulp ks-core && gulp ks-react && gulp ks-vue && gulp server\"",
     "core:dev": "cross-env-shell NODE_ENV=development \"gulp build-core && gulp ks-core && gulp server-core\"",
     "core:prod": "cross-env-shell NODE_ENV=production \"gulp ks-core && gulp server-core\"",
     "react:dev": "cross-env-shell NODE_ENV=development \"gulp build-core && gulp phenome && gulp build-react && gulp ks-react && gulp server-react\"",