Correct misspellings.

Correct misspellings.
* APEL-CFG:
* README.ja (replace-as-filename):
* broken.el (broken-facility):
* emu.el:
* make.bat:
* pces-nemacs.el (as-binary-process):
* poe-18.el (read-from-minibuffer, get-buffer-window, walk-windows):
* poe.el (string-to-number):
* product.el (product-add-checkers):