Quoting fixes in lisp/progmodes

Quoting fixes in lisp/progmodes

* lisp/progmodes/cc-engine.el (c-bos-report-error):
* lisp/progmodes/cpp.el (cpp-edit-reset):
* lisp/progmodes/ebrowse.el (ebrowse-tags-apropos):
* lisp/progmodes/etags.el (etags-tags-apropos-additional)
(etags-tags-apropos, list-tags, tags-apropos):
* lisp/progmodes/executable.el (executable-set-magic):
* lisp/progmodes/octave.el (octave-sync-function-file-names)
(octave-help, octave-find-definition-default-filename)
(octave-find-definition):
Respect text quoting style in doc strings and diagnostics.
* lisp/progmodes/cc-langs.el (c-populate-syntax-table):
* lisp/progmodes/verilog-mode.el (verilog-auto-reset-widths):
* lisp/progmodes/vhdl-mode.el (vhdl-electric-quote):
Escape apostrophes in doc strings.
* lisp/progmodes/cmacexp.el (c-macro-expansion):
Use straight quoting in ASCII comment.
* lisp/progmodes/idlwave.el (idlwave-auto-fill-split-string)
(idlwave-pad-keyword):
* lisp/progmodes/vhdl-mode.el (vhdl-widget-directory-validate)
(vhdl-electric-open-bracket, vhdl-electric-close-bracket):
(vhdl-electric-semicolon, vhdl-electric-comma)
(vhdl-electric-period, vhdl-electric-equal):
Use directed quotes in diagnostics and doc strings.