The introduction of the Alignment parameter for the secondary stack
allocator in previous change was missing the corresponding change in the
Build_Allocate_Deallocate_Proc when creating the formal parameters list.

Tested on x86_64-pc-linux-gnu, committed on trunk

gcc/ada/

	* exp_util.adb (Build_Allocate_Deallocate_Proc): Add
	Alignment_Param in the formal list for calls to SS_Allocate.