Update ticks/sec factor

Don't use draft ANSI name CLK_TCK, use C90's brand new CLOCKS_PER_SEC.

c/actionwind

@@ -206,7 +206,7 @@ extern os_error *i_am_now_active( void );
 */
 action_environment env;
 const char *last_top_info_field;
-static clock_t doings_time = (10*CLK_TCK)/100;
+static clock_t doings_time = (10*CLOCKS_PER_SEC)/100;
 static int UpdatePath = 0, UpdateTop = 0, UpdateBottom = 0;
 
 #define Number_Of_Actions 10
@@ -299,7 +299,7 @@ static void hide_faster_stuff( action_environment *env );
 */
 void switch_dbox_on_off( action_environment *env, int direction, int delay )
 {
-     env->time_to_boxchange = clock() + (delay * CLK_TCK)/100;
+     env->time_to_boxchange = clock() + (delay * CLOCKS_PER_SEC)/100;
      env->boxchange_direction = direction;
 }
 
@@ -717,7 +717,7 @@ static os_error *start_operation( action_environment *env, actions_possible oper
     if (options & Option_FilerAction_Faster)
     {
         env->faster = Yes;
-        doings_time = CLK_TCK;          /* 1 second */
+        doings_time = CLOCKS_PER_SEC;          /* 1 second */
         hide_faster_stuff( env );
     }
 
@@ -890,12 +890,12 @@ void toggle_faster( action_environment *env )
     copy_go_faster( env->faster );
     if ( env->faster )
     {
-        doings_time = CLK_TCK;          /* 1 second */
+        doings_time = CLOCKS_PER_SEC;          /* 1 second */
         hide_faster_stuff( env );
     }
     else
     {
-        doings_time = (10*CLK_TCK)/100; /* 1/10 second */
+        doings_time = (10*CLOCKS_PER_SEC)/100; /* 1/10 second */
         show_faster_stuff( env );
     }
     menu_setflags( env->option_menu, 1, env->faster, menus_greyed[ start_up_details[ env->operation ].men ][ 0 ] );