sem_prag.adb (Process_Convention): A dispatching call cannot have a stdcall calling convention.

2011-11-21  Pascal Obry  <obry@adacore.com>

	* sem_prag.adb (Process_Convention): A dispatching call cannot
	have a stdcall calling convention.

2011-11-21  Pascal Obry  <obry@adacore.com>

	* s-taprop-linux.adb (Initialize_Lock): Do not allocate a
	mutex attribute as not needed.
	(Initialize_TCB): Likewise.
	(Initialize): Likewise.

From-SVN: r181564