main: put stream_stop before FILE pointer close

As stream_stop requires a valid FILE pointer (fseek), we need to do it
before we close the pipe.

src/main.c

@@ -69,9 +69,9 @@ int main(int argc, char *argv[])
 
   LOG("[INFO]: Initialised stream for `%s`\n", stream.name);
 end:
+  stream_stop(&stream);
   if (pipe)
     fclose(pipe);
-  stream_stop(&stream);
   return ret;
 }