[Ada] VxWorks inconsistent use of return type (Int_Unlock)

gcc/ada/

	* libgnarl/s-osinte__vxworks.ads: Make procedure vice function.
	* libgnarl/s-vxwext.ads: Likewise.
	* libgnarl/s-vxwext__kernel-smp.adb: Likewise.
	* libgnarl/s-vxwext__kernel.adb: Likewise.
	* libgnarl/s-vxwext__kernel.ads: Likewise.
	* libgnarl/s-vxwext__rtp-smp.adb: Likewise.
	* libgnarl/s-vxwext__rtp.adb: Likewise.
	* libgnarl/s-vxwext__rtp.ads: Likewise.
	* libgnarl/s-taprop__vxworks.adb (Stop_All_Tasks): Call
	Int_Unlock as a procedure.
9 files changed