Restrict node-sass package version to 4.8.x

Seem such error is coming with 4.9.x version:
 Mixins may not be defined within control directives or other mixins.

Change-Id: I573f9d452b52f1f8bb5aad997d30508106a464fa
Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>

diff --git a/webapp/package.json b/webapp/package.json
index 2df4888..449b313 100644 (file)
--- a/webapp/package.json
+++ b/webapp/package.json
@@ -62,7 +62,7 @@
     "ng2-smart-table": "1.2.2",
     "ng2-tree": "2.0.0-alpha.10",
     "ngx-cookie": "1.0.1",
-    "node-sass": "^4.8.1",
+    "node-sass": "~4.8.1",
     "normalize.css": "6.0.0",
     "pace-js": "1.0.2",
     "popper.js": "~1.12.9",