Force c++17

Author: timfish

binding.gyp

@@ -2,7 +2,10 @@
   "targets": [
     {
       "target_name": "stack-trace",
-      "sources": [ "module.cc" ]
+      "sources": [ "module.cc" ],
+      "cxxflags": [
+        "-std=c++17"
+      ],
     }
   ]
 }