Make C++ (simple) runner quit on build errors

The current behaviour is to run the old executable when building failed.
This makes it quit when there is an error, so that the executable is
only run when building succeeded.

package.json

@@ -103,7 +103,7 @@
         "c9.ide.recentfiles": "#7c099abf40",
         "c9.ide.remote": "#301d2ab519",
         "c9.ide.processlist": "#bc11818bb5",
-        "c9.ide.run": "#e60a761b4c",
+        "c9.ide.run": "#b5c9855710",
         "c9.ide.run.build": "#ad45874c88",
         "c9.ide.run.debug.xdebug": "#3b1520f83d",
         "c9.ide.save": "#58b8616a88",