Fix typo in buildscript

services/filestore/package.json

@@ -19,7 +19,7 @@
     "nodemon": "nodemon --config nodemon.json",
     "test:acceptance:_run": "mocha --recursive --reporter spec --timeout 30000 --exit $@ test/acceptance/js",
     "test:unit:_run": "mocha --recursive --reporter spec --exit $@ test/unit/js",
-    "compile:smoke_tests": "[ ! -e test/smoke/coffee] &&  echo 'No smoke tests to compile' || coffee -o test/smoke/js -c test/smoke/coffee"
+    "compile:smoke_tests": "[ ! -e test/smoke/coffee ] &&  echo 'No smoke tests to compile' || coffee -o test/smoke/js -c test/smoke/coffee"
   },
   "dependencies": {
     "async": "~0.2.10",