minor fix in comment, no code changes

console-tools/deallocvt.c

@@ -31,7 +31,7 @@ int deallocvt_main(int argc, char **argv)
 		bb_show_usage();
 	}
 
-	/* double cast suppresses "cast to ptr from int of different size */
+	/* double cast suppresses "cast to ptr from int of different size" */
 	xioctl(get_console_fd(), VT_DISALLOCATE, (void *)(ptrdiff_t)num);
 	return EXIT_SUCCESS;
 }