error.css need a better error :)

MoOx · MoOx · commit ebb70778b49e · 2014-09-26T16:17:29.000+02:00
latest postcss-custom-properties doesn’t return an error for missing property now. Close #36
diff --git a/test/cli/error.css b/test/cli/error.css
@@ -1,3 +1,3 @@
 body {
-  color: var(--red)
+  color: var(
 }
