vhdl-mode.el small fixup

* lisp/progmodes/vhdl-mode.el (vhdl-expand-abbrev, vhdl-expand-paren):
Revert 2014-03-26 merge goof; go back to using defalias.

Ref: http://lists.gnu.org/archive/html/emacs-devel/2014-03/msg01104.html

lisp/ChangeLog

+2014-03-31  Glenn Morris  <rgm@gnu.org>
+
+	* progmodes/vhdl-mode.el (vhdl-expand-abbrev, vhdl-expand-paren):
+	Revert 2014-03-26 merge goof; go back to using defalias.
+
 2014-03-30  Daniel Colascione  <dancol@dancol.org>
 	* comint.el (comint-send-input): Deactivate

lisp/progmodes/vhdl-mode.el

@@ -12635,17 +12635,15 @@ expressions (e.g. for index ranges of types and signals)."
  (defalias 'he-list-beg 'vhdl-he-list-beg))
 ;; function for expanding abbrevs and dabbrevs
-(defun vhdl-expand-abbrev (arg))
-(fset 'vhdl-expand-abbrev (make-hippie-expand-function
-			   '(try-expand-dabbrev
-			     try-expand-dabbrev-all-buffers
-			     vhdl-try-expand-abbrev)))
+(defalias 'vhdl-expand-abbrev (make-hippie-expand-function
+			       '(try-expand-dabbrev
+				 try-expand-dabbrev-all-buffers
+				 vhdl-try-expand-abbrev)))
 ;; function for expanding parenthesis
-(defun vhdl-expand-paren (arg))
-(fset 'vhdl-expand-paren (make-hippie-expand-function
-			  '(try-expand-list
-			    try-expand-list-all-buffers)))
+(defalias 'vhdl-expand-paren (make-hippie-expand-function
+			      '(try-expand-list
+				try-expand-list-all-buffers)))
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Line handling functions