2011-08-02  Yannick Moy  <moy@adacore.com>

	* sem_aggr.adb, err_vars.ads, sem_ch3.adb, sem_ch5.adb, sem_ch9.adb,
	debug.adb, sem_util.adb, sem_res.adb, sem_attr.adb, gnat1drv.adb,
	errout.adb, errout.ads, exp_ch6.adb, sem_ch4.adb, restrict.adb,
	restrict.ads, sem_ch6.adb, sem_ch8.adb, sem_ch11.adb,
	opt.ads: cleanup of SPARK mode

From-SVN: r177175