2013-04-23  Yannick Moy  <moy@adacore.com>

	* err_vars.ads (Error_Msg_Qual_Level): Set variable to zero
	at declaration.
	* opt.ads (Multiple_Unit_Index): Set variable to zero at declaration.
	* sem_util.adb (NCT_Table_Entries): Set variable to zero at declaration.
	* set_targ.ads (Num_FPT_Modes): Set variable to zero at declaration.
	* stylesw.adb (Save_Style_Check_Options): Protect testing the
	value of Style_Check_Comments_Spacing by a previous test that
	Style_Check_Comments is True.

2013-04-23  Thomas Quinot  <quinot@adacore.com>

	* sem_prag.adb, sem_prag.ads (Effective_Name): Rename to
	Original_Name, and move declaration to package body as this
	subprogram is not used from outside. Also clarify documentation.

From-SVN: r198195