Styled quotes in compiler warnings

Styled quotes in compiler warnings

* lisp/emacs-lisp/byte-run.el (byte-run--parse-body)
(byte-run--unescaped-character-literals-warning):
* lisp/emacs-lisp/bytecomp.el (byte-compile-initial-macro-environment)
(byte-compile-form, bytecomp--warn-dodgy-eq-arg):
* lisp/emacs-lisp/cconv.el (cconv--warn-unused-msg):
* lisp/emacs-lisp/cl-macs.el (cl-defstruct):
* lisp/emacs-lisp/easy-mmode.el (define-minor-mode):
* lisp/emacs-lisp/eieio.el (defclass):
* lisp/emacs-lisp/macroexp.el (macroexp--unfold-lambda)
(macroexp--expand-all):
* lisp/emacs-lisp/pcase.el (pcase--u1):
* lisp/subr.el (when, unless, ignore-error, lsh, sit-for)
(with-demoted-errors):
Use format-message to ensure properly styled quotes in compiler
warning messages.