Merge pull request TryGhost#799 from suhaig/node-pre-gyp-upgrade

Upgrade node-pre-gyp to version 0.6.32

Author: springmeyer

package.json

@@ -38,7 +38,7 @@
   },
   "dependencies": {
     "nan": "~2.4.0",
-    "node-pre-gyp": "~0.6.31"
+    "node-pre-gyp": "~0.6.32"
   },
   "bundledDependencies": [		
       "node-pre-gyp"