old_contents: {
      "targets": [
  	{
  	    "target_name": "syslog",
  	    "sources": [ "syslog.cc" ],
  	    "cflags": [
  		"-fPIC", "-Wall", "-std=c++0x"
  	    ]
  	}
      ]
  }
new_contents: {
      "targets": [
  	{
  	    "target_name": "syslog",
  	    "sources": [ "syslog.cc" ],
  	    "cflags": [
  		"-fPIC"
  	    ]
  	}
      ]
  }
subject: remove gcc flags that duplicate node-gyp flag and break support with older gcc versions