dvbinfo: free params_t structure at exit.

(cherry picked from commit ccf3167d)
Signed-off-by: Jean-Paul Saman <jpsaman@videolan.org>

examples/dvbinfo/dvbinfo.c

@@ -196,6 +196,7 @@ static void params_free(params_t *param)
     free(param->input);
     free(param->output);
     free(param->summary.file);
+    free(param);
     param = NULL;
 }