fix ubuntu14 build warnings

@@ -67,7 +67,7 @@ int main(int argc, char** argv)
             "   timeout      how long to timeout, in seconds, system time.\n"
             "For example:\n"
             "   %s rtmp://127.0.0.1:1935/live/livestream 3 10\n",
-            argv[0]);
+            argv[0], argv[0]);
         ret = 1;
         exit(ret);
         return ret;

@@ -60,7 +60,7 @@ int main(int argc, char** argv)
             "   out_flv_file        the inject output file, can be in_flv_file.\n"
             "For example:\n"
             "   %s ../../doc/source.200kbps.768x320.flv injected.flv\n",
-            argv[0]);
+            argv[0], argv[0]);
         ret = 1;
         exit(ret);
         return ret;

@@ -51,7 +51,7 @@ int main(int argc, char** argv)
             "   in_flv_file         flv file to parse and show.\n"
             "For example:\n"
             "   %s ../../doc/source.200kbps.768x320.flv\n",
-            argv[0]);
+            argv[0], argv[0]);
         ret = 1;
         exit(ret);
         return ret;

@@ -67,7 +67,7 @@ int main(int argc, char** argv)
             "   out_rtmp_url    output rtmp url, publish to this url.\n"
             "For example:\n"
             "   %s -i ../../doc/source.200kbps.768x320.flv -y rtmp://127.0.0.1/live/demo\n",
-            argv[0]);
+            argv[0], argv[0]);
         ret = 1;
         exit(ret);
         return ret;

@@ -53,7 +53,7 @@ int main(int argc, char** argv)
             "   out_rtmp_url    output rtmp url, publish to this url.\n"
             "For example:\n"
             "   %s -i rtmp://127.0.0.1/live/livestream -y rtmp://127.0.0.1/live/demo\n",
-            argv[0]);
+            argv[0], argv[0]);
         ret = 1;
         exit(ret);
         return ret;

@@ -44,7 +44,7 @@ int main(int argc, char** argv)
             "   rtmp_url     RTMP stream url to play\n"
             "For example:\n"
             "   %s rtmp://127.0.0.1:1935/live/livestream\n",
-            argv[0]);
+            argv[0], argv[0]);
         int ret = 1;
         exit(ret);
         return ret;

@@ -53,6 +53,10 @@ SrsFlvSegment::SrsFlvSegment()
     stream_duration = 0;
 }
 
+SrsFlvSegment::~SrsFlvSegment()
+{
+}
+
 void SrsFlvSegment::reset()
 {
     has_keyframe = false;

@@ -86,6 +86,8 @@ public:
     int64_t stream_previous_pkt_time;
 public:
     SrsFlvSegment();
+    virtual ~SrsFlvSegment();
+public:
     virtual void reset();
 };