Use lexical-binding in the remaining preloaded files

Use lexical-binding in the remaining preloaded files

* lisp/widget.el:
* lisp/w32-fns.el:
* lisp/textmodes/fill.el:
* lisp/term/common-win.el:
* lisp/scroll-bar.el:
* lisp/rfn-eshadow.el:
* lisp/menu-bar.el:
* lisp/language/tibetan.el:
* lisp/language/thai.el:
* lisp/language/misc-lang.el:
* lisp/language/lao.el:
* lisp/language/korean.el:
* lisp/language/japanese.el:
* lisp/language/indian.el:
* lisp/language/hebrew.el:
* lisp/language/european.el:
* lisp/language/ethiopic.el:
* lisp/language/english.el:
* lisp/language/cyrillic.el:
* lisp/language/chinese.el:
* lisp/jka-cmpr-hook.el:
* lisp/international/ucs-normalize.el:
* lisp/international/mule.el:
* lisp/international/mule-conf.el:
* lisp/international/iso-transl.el:
* lisp/international/fontset.el:
* lisp/international/characters.el:
* lisp/format.el:
* lisp/facemenu.el:
* lisp/electric.el:
* lisp/dos-w32.el:
* lisp/dos-fns.el:
* lisp/disp-table.el:
* lisp/cus-face.el:
* lisp/composite.el:
* lisp/bindings.el:
* admin/unidata/blocks.awk:
* admin/charsets/eucjp-ms.awk:
* admin/charsets/cp51932.awk: Use `lexical-binding`.