Update process.c

userprog/process.c

@@ -456,7 +456,6 @@ setup_stack (void **initialStackPointer, char **argv, int argc)
       success = install_page (((uint8_t *) PHYS_BASE) - PGSIZE, kpage, true);
       if (success) {
         *initialStackPointer = PHYS_BASE - 12;
-		arr[]
       } else
         palloc_free_page (kpage);
     }