Merge "toolbox: fix memory leak"

am: e3bd4a2fec

Change-Id: I1c3d0e7308acf2af333b9a41a73b2a4120a3cc0b

toolbox/newfs_msdos.c

@@ -741,6 +741,7 @@ int newfs_msdos_main(int argc, char *argv[])
                 exit(1);
             }
         }
+        free(img);
     }
     return 0;
 }