Merge pull request reactjs#734 from reactjs/renovate/babel-loader-7.x

Update dependency babel-loader to v7.1.5

Author: Daniel15

src/React.Core/package-lock.json

@@ -7,7 +7,7 @@
   },
   "devDependencies": {
     "babel-core": "6.26.3",
-    "babel-loader": "7.1.2",
+    "babel-loader": "7.1.5",
     "babel-preset-es2015": "6.24.1",
     "babel-preset-stage-0": "6.24.1",
     "babel-standalone": "6.26.0",