Super-Rogue: convert to ANSI-style function declarations.

This fixes most of the build warnings.

srogue/armor.c

@@ -21,7 +21,8 @@
  * wear:
  *	The player wants to wear something, so let the hero try
  */
-wear()
+void
+wear(void)
 {
 	reg struct linked_list *item;
 	reg struct object *obj;
@@ -50,7 +51,8 @@ wear()
  * take_off:
  *	Get the armor off of the players back
  */
-take_off()
+void
+take_off(void)
 {
 	reg struct object *obj;
 
@@ -69,9 +71,8 @@ take_off()
  * initarmor:
  *		Initialize some armor.
  */
-initarmor(obj, what)
-struct object *obj;
-int what;
+void
+initarmor(struct object *obj, int what)
 {
 	struct init_armor *iwa;
 	struct magic_item *mi;
@@ -90,8 +91,8 @@ int what;
  * hurt_armor:
  *	Returns TRUE if armor is damaged
  */
-hurt_armor(obj)
-struct object *obj;
+bool
+hurt_armor(struct object *obj)
 {
 	reg int type, ac;