Stop the service on error.

This way the watcher will release all RAM used for watching the inodes on linux.

Author: julianmesa-gitkraken

js/spec/index-spec.js

@@ -558,7 +558,6 @@ describe('Node Sentinel File Watcher', function() {
 
         assert.ok(erroredOut);
       } finally {
-        await watch.stop();
         watch = null;
       }
     });

src/NSFW.cpp

@@ -293,6 +293,9 @@ void NSFW::pollForEvents() {
          std::lock_guard<std::mutex> lock(mRunningLock);
           mRunning = false;
         }
+        mInterface.reset(nullptr);
+        mPollThread.detach();
+        Unref();
         break;
       }