Fix memory leak in test_framing

We call ogg_stream_init() in main() of framing.c, but no
ogg_stream_clear() in corresponding. It will cause memory leak.

Signed-off-by: Ralph Giles <giles@thaumas.net>

src/framing.c

@@ -2099,6 +2099,8 @@ int main(void){
       }
     }
   }
+  ogg_stream_clear(&os_en);
+  ogg_stream_clear(&os_de);
 
   return(0);
 }