edje: we should at least always add the file_in to the list of used file.

SVN revision: 71572

legacy/edje/src/bin/edje_cc.c

@@ -248,6 +248,8 @@ main(int argc, char **argv)
 	exit(-1);
      }
 
+   using_file(file_in);
+
    if (!edje_init())
      exit(-1);